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Direction: Read the following passage and answer the following questions.
In order to overcome the objections raised against Rutherford’s model of the atom, Neil Bohr put forward the following postulates about the model of an atom.
Q. Who amended Rutherford’s short comings?
- a)Dalton
- b)James Chadwick
- c)Neils’ Bohr
- d)J.J. Thomson
Correct answer is option 'C'. Can you explain this answer?
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Neils’ Bohr amended Rutherford’s shortcomings.
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Introduction:
In the early 20th century, Ernest Rutherford proposed a model of the atom that had certain shortcomings. To address these objections, Niels Bohr put forward a new set of postulates about the model of an atom.
Explanation:
1. Rutherford's Model of the Atom:
Ernest Rutherford's model of the atom, also known as the planetary model, proposed that the atom consists of a small, dense, positively charged nucleus at the center, with negatively charged electrons orbiting around it in circular paths. However, this model had some shortcomings.
2. Objections to Rutherford's Model:
Rutherford's model faced objections primarily due to the fact that according to classical electromagnetic theory, the orbiting electrons should continuously emit radiation and lose energy. Consequently, the electrons would spiral into the nucleus, leading to the collapse of the atom.
3. Niels Bohr:
Niels Bohr, a Danish physicist, proposed a new model of the atom to overcome the objections raised against Rutherford's model. Bohr made significant contributions to the field of quantum mechanics and atomic structure.
4. Bohr's Postulates:
To address the objections to Rutherford's model, Niels Bohr put forward the following postulates about the model of an atom:
a) Electrons Orbit the Nucleus in Specific Energy Levels:
Bohr proposed that electrons can only orbit the nucleus in certain allowed energy levels or shells. These energy levels are quantized, meaning that electrons can only exist in specific orbits, each corresponding to a specific energy.
b) Electrons Do Not Emit Radiation in Stable Orbits:
Bohr suggested that electrons in stable orbits do not emit radiation. According to classical electromagnetic theory, orbiting electrons should lose energy in the form of radiation. However, Bohr's postulate explained that electrons in stable orbits do not radiate energy and therefore do not spiral into the nucleus.
c) Electrons Can Jump Between Energy Levels:
Bohr proposed that electrons can transition between different energy levels by absorbing or emitting energy in discrete amounts. When an electron absorbs energy, it jumps to a higher energy level, and when it emits energy, it transitions to a lower energy level.
Conclusion:
In conclusion, it was Niels Bohr who amended the shortcomings of Rutherford's model of the atom by introducing the concept of quantized energy levels and the idea that electrons can transition between these levels without emitting radiation. Bohr's postulates provided a more accurate understanding of atomic structure and laid the foundation for further developments in quantum mechanics.
In the early 20th century, Ernest Rutherford proposed a model of the atom that had certain shortcomings. To address these objections, Niels Bohr put forward a new set of postulates about the model of an atom.
Explanation:
1. Rutherford's Model of the Atom:
Ernest Rutherford's model of the atom, also known as the planetary model, proposed that the atom consists of a small, dense, positively charged nucleus at the center, with negatively charged electrons orbiting around it in circular paths. However, this model had some shortcomings.
2. Objections to Rutherford's Model:
Rutherford's model faced objections primarily due to the fact that according to classical electromagnetic theory, the orbiting electrons should continuously emit radiation and lose energy. Consequently, the electrons would spiral into the nucleus, leading to the collapse of the atom.
3. Niels Bohr:
Niels Bohr, a Danish physicist, proposed a new model of the atom to overcome the objections raised against Rutherford's model. Bohr made significant contributions to the field of quantum mechanics and atomic structure.
4. Bohr's Postulates:
To address the objections to Rutherford's model, Niels Bohr put forward the following postulates about the model of an atom:
a) Electrons Orbit the Nucleus in Specific Energy Levels:
Bohr proposed that electrons can only orbit the nucleus in certain allowed energy levels or shells. These energy levels are quantized, meaning that electrons can only exist in specific orbits, each corresponding to a specific energy.
b) Electrons Do Not Emit Radiation in Stable Orbits:
Bohr suggested that electrons in stable orbits do not emit radiation. According to classical electromagnetic theory, orbiting electrons should lose energy in the form of radiation. However, Bohr's postulate explained that electrons in stable orbits do not radiate energy and therefore do not spiral into the nucleus.
c) Electrons Can Jump Between Energy Levels:
Bohr proposed that electrons can transition between different energy levels by absorbing or emitting energy in discrete amounts. When an electron absorbs energy, it jumps to a higher energy level, and when it emits energy, it transitions to a lower energy level.
Conclusion:
In conclusion, it was Niels Bohr who amended the shortcomings of Rutherford's model of the atom by introducing the concept of quantized energy levels and the idea that electrons can transition between these levels without emitting radiation. Bohr's postulates provided a more accurate understanding of atomic structure and laid the foundation for further developments in quantum mechanics.
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Direction: Read the following passage and answer the following questions.In order to overcome the objections raised against Rutherford’s model of the atom, Neil Bohr put forward the following postulates about the model of an atom.Q. Who amended Rutherford’s short comings?a)Daltonb)James Chadwickc)Neils’ Bohrd)J.J. ThomsonCorrect answer is option 'C'. Can you explain this answer?
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Direction: Read the following passage and answer the following questions.In order to overcome the objections raised against Rutherford’s model of the atom, Neil Bohr put forward the following postulates about the model of an atom.Q. Who amended Rutherford’s short comings?a)Daltonb)James Chadwickc)Neils’ Bohrd)J.J. ThomsonCorrect answer is option 'C'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Direction: Read the following passage and answer the following questions.In order to overcome the objections raised against Rutherford’s model of the atom, Neil Bohr put forward the following postulates about the model of an atom.Q. Who amended Rutherford’s short comings?a)Daltonb)James Chadwickc)Neils’ Bohrd)J.J. ThomsonCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Direction: Read the following passage and answer the following questions.In order to overcome the objections raised against Rutherford’s model of the atom, Neil Bohr put forward the following postulates about the model of an atom.Q. Who amended Rutherford’s short comings?a)Daltonb)James Chadwickc)Neils’ Bohrd)J.J. ThomsonCorrect answer is option 'C'. Can you explain this answer?.
Direction: Read the following passage and answer the following questions.In order to overcome the objections raised against Rutherford’s model of the atom, Neil Bohr put forward the following postulates about the model of an atom.Q. Who amended Rutherford’s short comings?a)Daltonb)James Chadwickc)Neils’ Bohrd)J.J. ThomsonCorrect answer is option 'C'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Direction: Read the following passage and answer the following questions.In order to overcome the objections raised against Rutherford’s model of the atom, Neil Bohr put forward the following postulates about the model of an atom.Q. Who amended Rutherford’s short comings?a)Daltonb)James Chadwickc)Neils’ Bohrd)J.J. ThomsonCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Direction: Read the following passage and answer the following questions.In order to overcome the objections raised against Rutherford’s model of the atom, Neil Bohr put forward the following postulates about the model of an atom.Q. Who amended Rutherford’s short comings?a)Daltonb)James Chadwickc)Neils’ Bohrd)J.J. ThomsonCorrect answer is option 'C'. Can you explain this answer?.
Solutions for Direction: Read the following passage and answer the following questions.In order to overcome the objections raised against Rutherford’s model of the atom, Neil Bohr put forward the following postulates about the model of an atom.Q. Who amended Rutherford’s short comings?a)Daltonb)James Chadwickc)Neils’ Bohrd)J.J. ThomsonCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 9.
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Direction: Read the following passage and answer the following questions.In order to overcome the objections raised against Rutherford’s model of the atom, Neil Bohr put forward the following postulates about the model of an atom.Q. Who amended Rutherford’s short comings?a)Daltonb)James Chadwickc)Neils’ Bohrd)J.J. ThomsonCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for Direction: Read the following passage and answer the following questions.In order to overcome the objections raised against Rutherford’s model of the atom, Neil Bohr put forward the following postulates about the model of an atom.Q. Who amended Rutherford’s short comings?a)Daltonb)James Chadwickc)Neils’ Bohrd)J.J. ThomsonCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of Direction: Read the following passage and answer the following questions.In order to overcome the objections raised against Rutherford’s model of the atom, Neil Bohr put forward the following postulates about the model of an atom.Q. Who amended Rutherford’s short comings?a)Daltonb)James Chadwickc)Neils’ Bohrd)J.J. ThomsonCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Direction: Read the following passage and answer the following questions.In order to overcome the objections raised against Rutherford’s model of the atom, Neil Bohr put forward the following postulates about the model of an atom.Q. Who amended Rutherford’s short comings?a)Daltonb)James Chadwickc)Neils’ Bohrd)J.J. ThomsonCorrect answer is option 'C'. Can you explain this answer? tests, examples and also practice Class 9 tests.
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