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All questions of A Truly Beautiful Mind for Grade 9 Exam

Why does the world remember Einstein as a ‘world citizen’?      
  • a)
    He supported peace and democracy.      
  • b)
    He was in favour of a world government.      
  • c)
    He wanted the world to function as one unit.      
  • d)
    All the above.
Correct answer is option 'D'. Can you explain this answer?

Vikas Kapoor answered
Einstein was a great supporter of peace and democracy. He was in favour of a world government . He wanted all the world to function as one unit. That is why the world remembers him as a world citizen. He was not only a scientific genius but also a great with visionary and the world citizen.
 

What was it that put the American physicists in an uproar?       
  • a)
    The discovery of the atomic bomb in Japan.       
  • b)
    The discovery of the atomic power in America.       
  • c)
    The discovery of nuclear fission in Berlin.      
  • d)
    The discovery of nuclear fission by Einstein.
Correct answer is option 'C'. Can you explain this answer?

Imk Pathshala answered
The American physicists were alarmed by the discovery of nuclear fission in Berlin. This discovery revealed that nuclear reactions could release a tremendous amount of energy, raising fears that Nazi Germany might develop an atomic bomb. This concern spurred the American physicists and the U.S. government to accelerate their own research and development of nuclear weapons.

What did Einstein say when he looked at his newborn sister?      
  • a)
    That she had no eyes.      
  • b)
    That she had no legs.      
  • c)
    That she had no toys.      
  • d)
    That she had no wheels.
Correct answer is option 'D'. Can you explain this answer?

Let's Tute answered
When Einstein looked at his newborn sister, he remarked, "Fine, but where are her wheels?" This shows that he was very interested in mechanical toys and didn't quite understand why his sister didn't have wheels like the toys he loved. It highlights his unique way of thinking and his fascination with how things work.

How old was Einstein when he did his graduation?      
  • a)
    Twenty-one.      
  • b)
    Nineteen.      
  • c)
    Seventeen.      
  • d)
    Fifteen.
Correct answer is option 'A'. Can you explain this answer?

A D I B A answered
A) twenty one,
because in the year 1900, Albert Einstein was 21 years of age and he completed his graduation from the University but was unemployed.

Direction: Read the following paragraph and choose the correct options to answer any four questions given below :
A headmaster once told his father that what Einstein chose as a profession wouldn’t matter, because “he’ll never make a success at anything. ”Einstein began learning to play the violin at the age of six, because his mother wanted him to; he later became a gifted amateur violinist, maintaining this skill throughout his life. But Albert Einstein was not a bad pupil. He went to high school in Munich, where Einstein’s family had moved when he was 15 months old, and scored good marks in almost every subject. Einstein hated the school’s regimentation, and often clashed with his teachers. At the age of 15, Einstein felt so stifled there that he left the school for good.
Q. When did Einstein begin to learn playing the violin?
  • a)
    at the age of seven
  • b)
    at the age of eight
  • c)
    at the age of nine
  • d)
    at the age of six
Correct answer is option 'D'. Can you explain this answer?

Manya Kapoor answered
Introduction
In the provided paragraph, it is mentioned that Albert Einstein began learning to play the violin at a young age. Understanding this detail helps to appreciate his diverse talents beyond academics.
Key Point: Age of Learning Violin
- Einstein started learning the violin at the age of six.
- This decision was influenced by his mother, who wanted him to take up the instrument.
Contextual Understanding
- The paragraph illustrates Einstein's early experiences with music, indicating that he was not only focused on academics but also engaged in artistic pursuits.
- Despite being a good student, Einstein faced challenges in school, leading to his eventual departure at the age of 15.
Conclusion
- The correct answer to the question regarding when Einstein began learning the violin is option D: at the age of six. This highlights his early introduction to music, which played a significant role throughout his life.
By understanding these key details, one can appreciate the breadth of Einstein's talents and the influences in his early life.

Which theory did Einstein publish in 1915 that provided a new interpretation of gravity?
  • a)
    Theory of Special Relativity
  • b)
    Theory of Quantum Mechanics
  • c)
    General Theory of Relativity
  • d)
    Theory of Electromagnetism
Correct answer is option 'C'. Can you explain this answer?

Medha Desai answered
Introduction to General Theory of Relativity
In 1915, Albert Einstein published the General Theory of Relativity, revolutionizing our understanding of gravity. This theory transcended the classical Newtonian view and introduced a new framework for comprehending gravitational phenomena.
Key Concepts of General Relativity
- Gravity as Curvature of Space-Time:
Instead of viewing gravity as a force between masses, Einstein proposed that massive objects like planets and stars warp the fabric of space-time around them. This curvature dictates how objects move within that space-time.
- Equivalence Principle:
One of the foundational ideas of general relativity is the equivalence principle, which states that the effects of gravity are indistinguishable from acceleration. For instance, a person inside a closed box cannot tell whether the box is at rest in a gravitational field or accelerating through space.
- Predictions and Confirmations:
General relativity made several predictions, such as the bending of light around massive objects (gravitational lensing) and the existence of gravitational waves. These predictions have since been confirmed through various astronomical observations and experiments.
Impact on Modern Physics
The General Theory of Relativity has profound implications for cosmology and astrophysics. It laid the groundwork for the understanding of black holes, the expansion of the universe, and the relationship between gravity and the fabric of space and time.
In essence, Einstein's General Theory of Relativity not only redefined gravity but also opened new avenues for exploring the universe.

Which type of destruction is referred to in the lesson?
  • a)
    Destruction of inventions
  • b)
    Destruction by authoritarians
  • c)
    Destruction caused by the atomic bombs at Hiroshima and Nagasaki
  • d)
    None of the above
Correct answer is option 'C'. Can you explain this answer?

Introduction
The lesson refers specifically to the catastrophic consequences of nuclear warfare, particularly focusing on the atomic bombings of Hiroshima and Nagasaki during World War II. This event marked a significant turning point in both military strategy and ethical considerations related to warfare.
Impact of Atomic Bombs
- Mass Destruction: The atomic bombs dropped on Hiroshima on August 6, 1945, and Nagasaki on August 9, 1945, resulted in unprecedented destruction. Entire cities were obliterated in seconds, leading to massive loss of life and infrastructure.
- Human Casualties: Approximately 140,000 people died in Hiroshima and about 70,000 in Nagasaki by the end of 1945, with many more suffering from long-term health effects due to radiation exposure.
- Psychological Effects: The bombings instilled fear and trauma not only in the survivors but also globally, changing perceptions of warfare and prompting discussions about the ethics of using such weapons.
Historical Significance
- End of World War II: The bombings contributed to Japan's surrender, effectively ending World War II, but at a tremendous cost.
- Nuclear Proliferation: These events ushered in the nuclear age, leading to an arms race during the Cold War and ongoing debates about nuclear weapons' morality and necessity.
Conclusion
The destruction caused by the atomic bombs at Hiroshima and Nagasaki is a profound example of how warfare can lead to widespread devastation and long-lasting consequences, making option 'C' the correct choice in this context. Understanding this event helps us grasp the importance of peace and the ethical considerations surrounding military actions.

By what age did Einstein reportedly not learn to speak?
  • a)
    Three and a half years
  • b)
    Four and a half years
  • c)
    Five and a half years
  • d)
    Two and a half years
Correct answer is option 'D'. Can you explain this answer?

Imk Pathshala answered
Albert Einstein did not start speaking until he was two and a half years old. Initially, this delay caused concern for his parents. However, he eventually began to speak and went on to become a world-renowned physicist.

Direction: Read the following paragraph and choose the correct options to answer any four questions given below :
He also felt a special interest in a fellow student, Mileva Maric, whom he found to be a “clever creature.” This young Serb had come to Switzerland because the University in Zurich was one of the few in Europe where women could get degrees. Einstein saw in her an ally against the “philistines”— those people in his family and at the university with whom he was constantly at odds. The couple fell in love. Letters survive in which they put their affection into words, mixing science with tenderness. Wrote Einstein: “How happy and proud I shall be when we both have brought our work on relativity to a victorious conclusion.” In 1900, at the age of 21, Albert Einstein was a university graduate and unemployed. He worked as a teaching assistant, gave private lessons and finally secured a job in 1902 as a technical expert in the patent office in Bern. While he was supposed to be assessing other people’s inventions, Einstein was actually developing his own ideas in secret. He is said to have jokingly called his desk drawer at work the “bureau of theoretical physics.”
Q. With whom did Einstein fall in love?
  • a)
    a girl from Munich
  • b)
    Mileva Maric
  • c)
    a girl from German
  • d)
    none
Correct answer is option 'B'. Can you explain this answer?

Swati Verma answered
In 1896, two students entered a Swiss university together. One was Mileva Marić, a 20-year-old Serbian; the other, Albert Einstein, a 17-year-old German. Both studied physics, taking some of the same courses and, in many of those, getting comparable course results. They studied together, fell in love, married.

Direction: Read the following paragraph and choose the correct options to answer any four questions given below :
One of the famous papers of 1905 was Einstein’s Special Theory of Relativity, according to which time and distance are not absolute. Indeed, two perfectly accurate clocks will not continue to show the same time if they come together again after a journey if one of them has been moving very fast relative to the other. From this followed the world’s most famous formula which describes the relationship between mass and energy:
E = mc2
While Einstein was solving the most difficult problems in physics, his private life was unravelling. Albert had wanted to marry Mileva right after finishing his studies, but his mother was against it. She thought Mileva, who was three years older than her son, was too old for him. She was also bothered by Mileva’s intelligence. “She is a book like you,” his mother said. Einstein put the wedding off.
Q. How many years was Mileva older than Albert?
  • a)
    2
  • b)
    3
  • c)
    4
  • d)
    5
Correct answer is option 'B'. Can you explain this answer?

Sandeep Rane answered
Age Difference between Albert and Mileva
Albert's mother was against the marriage between Albert and Mileva because she thought Mileva was too old for her son. She believed that Mileva, who was three years older than Albert, was not a suitable match for him.

Calculation of Age Difference
To determine the age difference between Albert and Mileva, we subtract Albert's age from Mileva's age. Since Mileva was three years older than Albert, the age difference between them would be calculated as follows:
Mileva's age - Albert's age = 3 years
Therefore, the correct answer to the question is option 'B', which states that Mileva was three years older than Albert.

Direction: Read the following paragraph and choose the correct options to answer any four questions given below :
He also felt a special interest in a fellow student, Mileva Maric, whom he found to be a “clever creature.” This young Serb had come to Switzerland because the University in Zurich was one of the few in Europe where women could get degrees. Einstein saw in her an ally against the “philistines”— those people in his family and at the university with whom he was constantly at odds. The couple fell in love. Letters survive in which they put their affection into words, mixing science with tenderness. Wrote Einstein: “How happy and proud I shall be when we both have brought our work on relativity to a victorious conclusion.” In 1900, at the age of 21, Albert Einstein was a university graduate and unemployed. He worked as a teaching assistant, gave private lessons and finally secured a job in 1902 as a technical expert in the patent office in Bern. While he was supposed to be assessing other people’s inventions, Einstein was actually developing his own ideas in secret. He is said to have jokingly called his desk drawer at work the “bureau of theoretical physics.”
Q. What did Einstein call Mileva Maric?
  • a)
    clever creature
  • b)
    a gentleman
  • c)
    a dumbo
  • d)
    a good man
Correct answer is option 'A'. Can you explain this answer?

Aditi Bajaj answered
Albert Einstein called Mileva Maric a clever creature.
Albert Einstein had a special interest in Mileva Maric, whom he described as a "clever creature." This indicates that he admired her intelligence and found her to be highly intelligent and capable.

Explanation:
- Einstein's admiration for Mileva Maric: Einstein saw Maric as a clever creature, highlighting his appreciation for her intellect and abilities.
- Significance of the term: By calling Maric a clever creature, Einstein was acknowledging her intelligence and perhaps even considering her as an intellectual equal.
- Relationship between Einstein and Maric: The use of this term suggests that Einstein held Maric in high regard and valued her as a partner or ally against the challenges he faced.
In conclusion, Albert Einstein referred to Mileva Maric as a clever creature, emphasizing his respect for her intelligence and the special interest he had in her.

Direction: Read the following paragraph and choose the correct options to answer any four questions given below :
He also felt a special interest in a fellow student, Mileva Maric, whom he found to be a “clever creature.” This young Serb had come to Switzerland because the University in Zurich was one of the few in Europe where women could get degrees. Einstein saw in her an ally against the “philistines”— those people in his family and at the university with whom he was constantly at odds. The couple fell in love. Letters survive in which they put their affection into words, mixing science with tenderness. Wrote Einstein: “How happy and proud I shall be when we both have brought our work on relativity to a victorious conclusion.” In 1900, at the age of 21, Albert Einstein was a university graduate and unemployed. He worked as a teaching assistant, gave private lessons and finally secured a job in 1902 as a technical expert in the patent office in Bern. While he was supposed to be assessing other people’s inventions, Einstein was actually developing his own ideas in secret. He is said to have jokingly called his desk drawer at work the “bureau of theoretical physics.”
Q. When did Einstein secure a job?
  • a)
    1901
  • b)
    1903
  • c)
    1902
  • d)
    1904
Correct answer is option 'C'. Can you explain this answer?

Atharva Roy answered
Understanding Einstein's Job Timeline
Einstein's journey to securing a job is an important aspect of his early career. In the paragraph provided, it is stated that he graduated in 1900 and faced unemployment for a while.
Key Points:
- Graduation Year:
Einstein graduated from university in 1900 at the age of 21.
- Unemployment Period:
After graduating, he remained unemployed for some time. He worked as a teaching assistant and gave private lessons during this period.
- Job Security:
Einstein finally secured a position as a technical expert in the patent office in Bern in 1902.
- Job Role:
In this role, he was responsible for assessing other people's inventions, but he used this time to develop his own scientific ideas in secret.
Conclusion:
The correct answer to the question "When did Einstein secure a job?" is 1902 (option 'C'). This is clearly indicated in the text, making it the accurate choice based on the timeline of Einstein's early career.

What did Einstein's mother think of him when he was a young child?
  • a)
    She believed he was destined for greatness.
  • b)
    She considered him a prodigy.
  • c)
    She thought he was strange and abnormal.
  • d)
    She saw him as exceptionally talented.
Correct answer is option 'C'. Can you explain this answer?

Imk Pathshala answered
Einstein's mother initially viewed him as abnormal, believing his head was too large and even referring to him as a 'freak' in his early years, indicating her perception of him as different from other children.

Direction: Read the following paragraph and choose the correct options to answer any four questions given below :
One of the famous papers of 1905 was Einstein’s Special Theory of Relativity, according to which time and distance are not absolute. Indeed, two perfectly accurate clocks will not continue to show the same time if they come together again after a journey if one of them has been moving very fast relative to the other. From this followed the world’s most famous formula which describes the relationship between mass and energy:
E = mc2
While Einstein was solving the most difficult problems in physics, his private life was unravelling. Albert had wanted to marry Mileva right after finishing his studies, but his mother was against it. She thought Mileva, who was three years older than her son, was too old for him. She was also bothered by Mileva’s intelligence. “She is a book like you,” his mother said. Einstein put the wedding off.
Q. While Einstein was solving the most difficult problem in __________, his private life was unravelling.
  • a)
    Mathematics
  • b)
    Chemistry
  • c)
    Physics
  • d)
    Biology
Correct answer is option 'C'. Can you explain this answer?

Swati Verma answered
While Einstein was solving the most difficult problems in physics, his private life was unravelling. Albert had wanted to marry Mileva right after finishing his studies, but his mother was against it. She thought Mileva, who was three years older than her son, was too old for him. Einstein put the wedding off.

Direction: Read the following paragraph and choose the correct options to answer any four questions given below :
Albert Einstein was born on 14 March 1879 in the German city of Ulm, without any indication that he was destined for greatness. On the contrary, his mother thought Albert was a freak. To her, his head seemed much too large. At the age of two-and-a-half, Einstein still was not talking. When he finally did learn to speak, he uttered everything twice. Einstein did not know what to do with other children, and his playmates called him “Brother Boring.” So, the youngster played by himself much of the time. He especially loved mechanical toys. Looking at his new-born sister, Maja, he is said to have said: “Fine, but where are her wheels?”
Q. What did Albert’s mother think of him?
  • a)
    He was a born genius.
  • b)
    He is intelligent
  • c)
    He will rule the world.
  • d)
    Albert was a freak.
Correct answer is option 'D'. Can you explain this answer?

Preethi Singh answered

Albert’s Mother’s Perception

Albert’s mother thought that he was a freak. She believed that his head was too large, which made her consider him unusual or different from other children. This perception led her to have initial doubts about his abilities or future prospects.

Key Point: Albert was considered a freak by his mother due to his large head.

Explanation: Albert's mother did not view him as a genius or intelligent from the beginning. Instead, she had concerns about his physical appearance and behavior, which led to her thinking of him as a freak.

Context: The paragraph mentions that Albert's mother thought he was a freak because of his head size and his delayed speech development. These factors contributed to her initial perception of him.

Direction: Read the following paragraph and choose the correct options to answer any four questions given below :
One of the famous papers of 1905 was Einstein’s Special Theory of Relativity, according to which time and distance are not absolute. Indeed, two perfectly accurate clocks will not continue to show the same time if they come together again after a journey if one of them has been moving very fast relative to the other. From this followed the world’s most famous formula which describes the relationship between mass and energy:
E = mc2
While Einstein was solving the most difficult problems in physics, his private life was unravelling. Albert had wanted to marry Mileva right after finishing his studies, but his mother was against it. She thought Mileva, who was three years older than her son, was too old for him. She was also bothered by Mileva’s intelligence. “She is a book like you,” his mother said. Einstein put the wedding off.
Q. What did Einstein’s mother compare Mileva with?
  • a)
    guitar
  • b)
    book
  • c)
    watch
  • d)
    none of these
Correct answer is option 'B'. Can you explain this answer?

Kritika Bose answered

Comparison of Mileva with a Book:
One of the key points mentioned in the paragraph is the comparison made by Einstein's mother between Mileva and a book. This comparison was made in the context of Einstein's desire to marry Mileva, which his mother opposed. She referred to Mileva as a book, indicating that she found Mileva to be intellectual, knowledgeable, and perhaps too similar to Einstein himself. This comparison suggests that Einstein's mother believed Mileva to be too intelligent and serious for her son, which influenced her reluctance to approve of their marriage.

Reasons for the Comparison:
- Einstein's mother thought Mileva was too old for her son, as she was three years older.
- She was bothered by Mileva's intelligence and knowledge, comparing her to a book.
- The comparison reflects Einstein's mother's concerns about the compatibility and suitability of Mileva as a partner for her son.

Impact on Einstein's Marriage Plans:
- Einstein decided to postpone his wedding with Mileva due to his mother's disapproval.
- The comparison made by his mother may have influenced Einstein's decision and strained his relationship with Mileva.
- This delay in getting married had an impact on Einstein's personal life and relationships.

In conclusion, the comparison of Mileva with a book by Einstein's mother played a significant role in the challenges faced by Einstein in his personal life, particularly regarding his marriage plans with Mileva. This comparison highlighted the concerns and reservations his mother had about Mileva, ultimately affecting the course of Einstein's relationship with her.

Direction: Read the following paragraph and choose the correct options to answer any four questions given below :
A headmaster once told his father that what Einstein chose as a profession wouldn’t matter, because “he’ll never make a success at anything. ”Einstein began learning to play the violin at the age of six, because his mother wanted him to; he later became a gifted amateur violinist, maintaining this skill throughout his life. But Albert Einstein was not a bad pupil. He went to high school in Munich, where Einstein’s family had moved when he was 15 months old, and scored good marks in almost every subject. Einstein hated the school’s regimentation, and often clashed with his teachers. At the age of 15, Einstein felt so stifled there that he left the school for good.
Q. What did the school headmaster say about Einstein?
  • a)
    He would be a genius.
  • b)
    He is great.
  • c)
    He can’t be a success at anything.
  • d)
    None
Correct answer is option 'C'. Can you explain this answer?

Maitri Chopra answered
Headmaster's Opinion on Einstein:
The school headmaster had a negative opinion about Einstein's future prospects, stating that he would never make a success at anything.

Einstein's Academic Performance:
- Einstein was not a bad pupil and performed well in high school in Munich.
- He scored good marks in almost every subject.

Einstein's Passion for Music:
- Einstein began learning to play the violin at the age of six, as per his mother's wish.
- He became a gifted amateur violinist and continued to play throughout his life.

Discomfort with School Environment:
- Einstein disliked the school's regimentation and often clashed with his teachers.
- Feeling stifled at the age of 15, he decided to leave the school for good.
In conclusion, while the headmaster may have doubted Einstein's potential for success, Einstein's academic performance and passion for music demonstrate his talents and determination. His discomfort with the school environment further highlights his independent thinking and unwillingness to conform to traditional norms.

Direction: Read the following paragraph and choose the correct options to answer any four questions given below :
A headmaster once told his father that what Einstein chose as a profession wouldn’t matter, because “he’ll never make a success at anything. ”Einstein began learning to play the violin at the age of six, because his mother wanted him to; he later became a gifted amateur violinist, maintaining this skill throughout his life. But Albert Einstein was not a bad pupil. He went to high school in Munich, where Einstein’s family had moved when he was 15 months old, and scored good marks in almost every subject. Einstein hated the school’s regimentation, and often clashed with his teachers. At the age of 15, Einstein felt so stifled there that he left the school for good.
Q. Find a word from the passage that means ‘having great natural ability ’.
  • a)
    success
  • b)
    gifted
  • c)
    learning
  • d)
    profession
Correct answer is option 'B'. Can you explain this answer?

Disha Dey answered
Understanding the Term 'Gifted'
In the context of the passage provided, the word 'gifted' is used to describe Albert Einstein's exceptional natural ability, particularly in music and intellectual pursuits.

Definition of 'Gifted'
- The term 'gifted' refers to individuals who possess great natural talent or ability in a specific area.
- It suggests an innate skill that sets someone apart from their peers.

Contextual Usage
- In the passage, Einstein's mother encouraged him to learn the violin, which he excelled at, becoming a "gifted amateur violinist."
- This highlights his natural aptitude for music, indicating that he had an inherent talent that allowed him to learn and play the violin with proficiency.

Comparison with Other Options
- **a) Success**: This refers to achieving desired outcomes or accomplishments, not necessarily linked to natural ability.
- **c) Learning**: This is the process of acquiring knowledge or skills, which can occur without having a natural talent.
- **d) Profession**: This denotes a person's chosen career or occupation, which does not imply any inherent skill.

Conclusion
- Thus, the correct answer is option 'B' (gifted) because it directly relates to having a great natural ability, particularly in Einstein’s case as a talented violinist and a brilliant thinker.
- This word encapsulates the essence of his extraordinary capabilities, distinguishing him in both music and science.

Direction: Read the following paragraph and choose the correct options to answer any four questions given below :
He also felt a special interest in a fellow student, Mileva Maric, whom he found to be a “clever creature.” This young Serb had come to Switzerland because the University in Zurich was one of the few in Europe where women could get degrees. Einstein saw in her an ally against the “philistines”— those people in his family and at the university with whom he was constantly at odds. The couple fell in love. Letters survive in which they put their affection into words, mixing science with tenderness. Wrote Einstein: “How happy and proud I shall be when we both have brought our work on relativity to a victorious conclusion.” In 1900, at the age of 21, Albert Einstein was a university graduate and unemployed. He worked as a teaching assistant, gave private lessons and finally secured a job in 1902 as a technical expert in the patent office in Bern. While he was supposed to be assessing other people’s inventions, Einstein was actually developing his own ideas in secret. He is said to have jokingly called his desk drawer at work the “bureau of theoretical physics.”
Q. Why did Mileva Maric come to the University at Zurich?
  • a)
    It was the only university which gave degrees to women.
  • b)
    It was a good university.
  • c)
    It was near her city.
  • d)
    She liked the place.
Correct answer is option 'A'. Can you explain this answer?

Nikhil Malik answered
Reason for Mileva Maric's Choice
Mileva Maric's decision to attend the University in Zurich was significantly influenced by the unique educational opportunities it provided for women at that time.
Key Points:
- Limited Opportunities for Women: In the late 19th and early 20th centuries, many universities in Europe were not accessible to women, limiting their chances to obtain higher education.
- Degree Accessibility: The University of Zurich was one of the few institutions that allowed women to pursue degrees, making it a beacon of hope for those seeking academic advancement despite societal norms.
- Supportive Environment: The presence of a progressive atmosphere at the University encouraged female students like Mileva to further their studies in fields traditionally dominated by men, such as science and mathematics.
- Personal Aspirations: Mileva's ambition and intellect drove her to seek an education that could enhance her knowledge and skills, aligning her aspirations with the opportunities offered by Zurich.
In summary, the correct answer is option 'A' because the University in Zurich uniquely provided a pathway for women to earn degrees, which was rare in Europe at that time. This aspect directly influenced Mileva Maric’s decision to relocate and pursue her education there.

What action did Einstein take in response to the fear that the Nazis could build and use an atomic bomb?
  • a)
    He organized a protest in Berlin
  • b)
    He wrote a letter to the American President, Franklin Roosevelt
  • c)
    He published a scientific paper on nuclear fission
  • d)
    He moved to Japan
Correct answer is option 'B'. Can you explain this answer?

EduRev Class 9 answered
In response to the fear that the Nazis could develop and use an atomic bomb, Einstein wrote a letter to American President, Franklin D. Roosevelt, on 2 August 1939. This letter:
  • Warned about the destructive potential of atomic weapons.
  • Encouraged action towards the development of nuclear research.
The correspondence played a crucial role in the eventual American project to create the atomic bomb, which was used on Hiroshima and Nagasaki during World War II.

What nickname did Einstein use to refer to Mileva Maric?
  • a)
    Clever Creature
  • b)
    Silly
  • c)
    A Dumbo
  • d)
    A Good Lady
Correct answer is option 'A'. Can you explain this answer?

Imk Pathshala answered
Einstein referred to Mileva Maric as a “clever creature,” indicating his admiration for her intelligence. This term reflects their shared interests in science and his respect for her capabilities.

What sparked Einstein's interest in mechanical toys as a child?
  • a)
    His father's occupation as an engineer
  • b)
    His mother's encouragement
  • c)
    His own natural curiosity
  • d)
    A gift from a friend
Correct answer is option 'C'. Can you explain this answer?

Let's Tute answered
Einstein's fascination with mechanical toys as a child stemmed from his innate curiosity and interest in how things worked. This early interest set the stage for his lifelong passion for understanding the complexities of the universe.

What subject did Einstein excel in and choose to study at a university in Zurich?
  • a)
    Biology
  • b)
    Mathematics and Physics
  • c)
    Literature
  • d)
    History
Correct answer is option 'B'. Can you explain this answer?

Imk Pathshala answered
Einstein was highly gifted in mathematics and had a strong interest in physics. After finishing school, he chose to pursue these subjects at a university in Zurich. This decision significantly influenced his future scientific achievements.

What iconic formula, describing the relationship between mass and energy, was derived from Einstein's Special Theory of Relativity?
  • a)
    E = mc
  • b)
    E = mc²
  • c)
    E = m²c
  • d)
    E = 2mc
Correct answer is option 'B'. Can you explain this answer?

Let's Tute answered
Einstein's Special Theory of Relativity resulted in the renowned equation E = mc2. This formula highlights the significant relationship between mass and energy in the universe. It is one of the most recognised equations in physics.

What does this lesson “A Truly Beautiful Mind” speak about?
  • a)
    Beauty of the Mind
  • b)
    Beauty of the World
  • c)
    The Life of Einstein
  • d)
    None
Correct answer is option 'C'. Can you explain this answer?

Samarth Rane answered
Overview of "A Truly Beautiful Mind"
This lesson narrates the life and contributions of Albert Einstein, highlighting the interplay between his extraordinary intellect and his personal characteristics.
Key Themes
- Intellectual Brilliance
Einstein's genius in physics is celebrated, particularly his groundbreaking theories of relativity. His ability to think differently and innovate set him apart in the scientific community.
- Personality Traits
The lesson illustrates Einstein as not just a brilliant scientist but also a compassionate and humane individual. His humanitarian efforts and advocacy for peace emphasize the beauty of his character.
- Challenges and Resilience
Einstein faced various challenges, including early academic struggles and societal prejudice. His perseverance in overcoming these obstacles showcases his determination and resilience.
- Legacy and Influence
The impact of Einstein's work extends beyond science; his thoughts on education, freedom, and social justice inspire generations. His legacy serves as a reminder of the importance of using knowledge for the betterment of humanity.
Conclusion
In summary, "A Truly Beautiful Mind" focuses on the life of Albert Einstein, showcasing how his intelligence, personality, and values come together to create a truly beautiful mind. This lesson serves not only to educate about Einstein's scientific contributions but also to inspire readers to appreciate the holistic nature of beauty found in intellect and character.

Why did Einstein’s mother initially disapprove of his marriage to Mileva Maric?
  • a)
    She thought Mileva was too young for Einstein.
  • b)
    She disliked Mileva’s lack of intelligence.
  • c)
    She was concerned that Mileva was too old and too intelligent.
  • d)
    She wanted Einstein to marry someone from their family.
Correct answer is option 'C'. Can you explain this answer?

C K Academy answered
Einstein’s mother was initially against his marriage to Mileva Maric because she felt Mileva was too old for Einstein and was also bothered by her intelligence. She thought that Mileva's intelligence would make her unsuitable as a wife for her son.

What subject did Einstein excel in and decide to study at a university in Zurich?
  • a)
    Biology
  • b)
    Mathematics and Physics
  • c)
    Literature
  • d)
    History
Correct answer is option 'B'. Can you explain this answer?

Imk Pathshala answered
Einstein was highly gifted in mathematics and had a strong interest in physics. After finishing school, he decided to pursue these subjects at a university in Zurich, which played a significant role in his future scientific achievements.

Where did Albert Einstein decide to study after finishing school?
  • a)
    Paris
  • b)
    London
  • c)
    Zurich
  • d)
    New York
Correct answer is option 'C'. Can you explain this answer?

Let's Tute answered
After finishing school, Albert Einstein chose to study at a university in Zurich. This decision was a significant step in his academic journey in physics and mathematics.

In what city was Albert Einstein born?
  • a)
    Berlin
  • b)
    Munich
  • c)
    Ulm
  • d)
    Frankfurt
Correct answer is option 'C'. Can you explain this answer?

Albert Einstein was born in the German city of Ulm on March 14, 1879. This event marked the start of his remarkable journey that would eventually transform the field of physics.

Who did Einstein marry after divorcing Mileva Maric?
  • a)
    His childhood friend
  • b)
    His colleague
  • c)
    His cousin Elsa
  • d)
    A fellow scientist
Correct answer is option 'C'. Can you explain this answer?

C K Academy answered
After divorcing Mileva Maric in 1919, Einstein married his cousin Elsa in the same year. This marriage coincided with the peak of his career, marking his rise to fame as a renowned scientist.

Why did Mileva Maric come to the University of Zurich?
  • a)
    It was the only university which gave degrees to women
  • b)
    It was a good university
  • c)
    It was near her city
  • d)
    She liked the place
Correct answer is option 'A'. Can you explain this answer?

Hiral Chawla answered
Reasons for Mileva Maric's Choice
Mileva Maric, a prominent figure in the early 20th century, chose to attend the University of Zurich for several compelling reasons. One of the most significant factors was the university's progressive stance on women's education.
University's Unique Opportunity for Women
- The University of Zurich was one of the first universities in Europe to grant degrees to women, making it a pioneering institution in terms of gender equality in education.
- At a time when most universities were inaccessible to women, Zurich offered a rare opportunity for women like Maric to pursue higher education in fields such as physics and mathematics.
Academic Reputation
- While the quality of education was indeed notable, the key aspect that set Zurich apart was its openness to female students.
- The university was known for its strong emphasis on scientific research, attracting many talented scholars and providing an intellectually stimulating environment.
Geographical Proximity
- While Zurich was relatively close to Maric's home in Serbia, the geographical factor was less critical than the university's policy on women's degrees.
- The convenience of location may have played a minor role, but it was not the defining reason for her choice.
Personal Preference
- Maric's personal affinity for the place is subjective. However, the progressive nature of the university and its commitment to women's education were likely more influential in her decision.
In conclusion, while various factors may have influenced her choice, the opportunity to obtain a degree as a woman was the primary reason Mileva Maric attended the University of Zurich.

What is the message of this lesson?
  • a)
    A beautiful mind not only creates beautiful ideas but also uses them for the welfare of humanity
  • b)
    Always think big
  • c)
    Be like Einstein
  • d)
    Win a Nobel Prize
Correct answer is option 'A'. Can you explain this answer?

EduRev Class 9 answered
The message of the lesson “A Truly Beautiful Mind” emphasizes that a truly remarkable mind not only generates brilliant ideas but also applies them for the betterment of humanity. Einstein’s life exemplifies how intellectual brilliance can contribute significantly to the world.

What did Einstein's playmates call him as a child?
  • a)
    Brother Brilliant
  • b)
    Brother Genius
  • c)
    Brother Bland
  • d)
    Brother Boring
Correct answer is option 'D'. Can you explain this answer?

C K Academy answered
Einstein's childhood playmates referred to him as "Brother Boring". This nickname arose because:
  • He found it challenging to connect with other children.
  • He often chose to play alone.
  • He had a keen interest in mechanical toys.
These traits contributed to his image among peers during his early years.

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