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Consider the following statements:
Assertion (A): The structure of Earth can be understood by observing the passage of earthquake waves through different layers of earth.
Reason (R): Some type of earthquake waves do not travel through liquid material in Earth’s layers.
Which of the above statements is/are correct?
- a)A is correct, and R is an appropriate explanation of A.
- b)A is correct, but R is not an appropriate explanation of A.
- c)A is correct, but R is incorrect.
- d)Both A and R are incorrect.
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements:Assertion (A): The structure of Ear...
- There are two types of body waves generated during an earthquake. They are called P- and S-waves.
- An important fact about S-waves is that they can travel only through solid materials. This characteristic of the S-waves is quite important as it has helped scientists to understand the structure of the interior of the Earth.
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Consider the following statements:Assertion (A): The structure of Ear...
The correct answer is option 'A': A is correct, and R is an appropriate explanation of A.
Explanation:
Observing the passage of earthquake waves through different layers of the Earth is a reliable method to understand the structure of the Earth. This is because different types of earthquake waves behave differently as they pass through various layers of the Earth.
- Earthquake Waves: Earthquake waves can be classified into two main types: body waves and surface waves. Body waves include primary waves (P-waves) and secondary waves (S-waves), while surface waves include Love waves and Rayleigh waves.
- Propagation of Earthquake Waves: P-waves are compressional waves that can travel through solids, liquids, and gases. They are the fastest seismic waves and can travel through all layers of the Earth, including the liquid outer core. S-waves, on the other hand, are shear waves and can only travel through solids. They cannot propagate through the liquid outer core and are only observed in the solid layers of the Earth.
- Explanation of Assertion and Reason: The assertion states that the structure of the Earth can be understood by observing the passage of earthquake waves through different layers. This is correct because the behavior of earthquake waves can provide valuable information about the composition and properties of the Earth's layers. The reason states that some type of earthquake waves do not travel through liquid material in Earth's layers. This is also correct because S-waves, which are a type of earthquake wave, cannot pass through the liquid outer core. Therefore, Reason is an appropriate explanation of Assertion.
In conclusion, by observing the behavior of earthquake waves, particularly the transmission and reflection of P-waves and S-waves, scientists can gather information about the different layers of the Earth. The passage of seismic waves through Earth's layers provides insights into the composition, density, and other physical properties of these layers.
Explanation:
Observing the passage of earthquake waves through different layers of the Earth is a reliable method to understand the structure of the Earth. This is because different types of earthquake waves behave differently as they pass through various layers of the Earth.
- Earthquake Waves: Earthquake waves can be classified into two main types: body waves and surface waves. Body waves include primary waves (P-waves) and secondary waves (S-waves), while surface waves include Love waves and Rayleigh waves.
- Propagation of Earthquake Waves: P-waves are compressional waves that can travel through solids, liquids, and gases. They are the fastest seismic waves and can travel through all layers of the Earth, including the liquid outer core. S-waves, on the other hand, are shear waves and can only travel through solids. They cannot propagate through the liquid outer core and are only observed in the solid layers of the Earth.
- Explanation of Assertion and Reason: The assertion states that the structure of the Earth can be understood by observing the passage of earthquake waves through different layers. This is correct because the behavior of earthquake waves can provide valuable information about the composition and properties of the Earth's layers. The reason states that some type of earthquake waves do not travel through liquid material in Earth's layers. This is also correct because S-waves, which are a type of earthquake wave, cannot pass through the liquid outer core. Therefore, Reason is an appropriate explanation of Assertion.
In conclusion, by observing the behavior of earthquake waves, particularly the transmission and reflection of P-waves and S-waves, scientists can gather information about the different layers of the Earth. The passage of seismic waves through Earth's layers provides insights into the composition, density, and other physical properties of these layers.
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Consider the following statements:Assertion (A): The structure of Earth can be understood by observing the passage of earthquake waves through different layers of earth.Reason (R): Some type of earthquake waves do not travel through liquid material in Earth’s layers.Which of the above statements is/are correct? a) A is correct, and R is an appropriate explanation of A.b) A is correct, but R is not an appropriate explanation of A.c) A is correct, but R is incorrect.d) Both A and R are incorrect.Correct answer is option 'A'. Can you explain this answer?
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Consider the following statements:Assertion (A): The structure of Earth can be understood by observing the passage of earthquake waves through different layers of earth.Reason (R): Some type of earthquake waves do not travel through liquid material in Earth’s layers.Which of the above statements is/are correct? a) A is correct, and R is an appropriate explanation of A.b) A is correct, but R is not an appropriate explanation of A.c) A is correct, but R is incorrect.d) Both A and R are incorrect.Correct answer is option 'A'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements:Assertion (A): The structure of Earth can be understood by observing the passage of earthquake waves through different layers of earth.Reason (R): Some type of earthquake waves do not travel through liquid material in Earth’s layers.Which of the above statements is/are correct? a) A is correct, and R is an appropriate explanation of A.b) A is correct, but R is not an appropriate explanation of A.c) A is correct, but R is incorrect.d) Both A and R are incorrect.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements:Assertion (A): The structure of Earth can be understood by observing the passage of earthquake waves through different layers of earth.Reason (R): Some type of earthquake waves do not travel through liquid material in Earth’s layers.Which of the above statements is/are correct? a) A is correct, and R is an appropriate explanation of A.b) A is correct, but R is not an appropriate explanation of A.c) A is correct, but R is incorrect.d) Both A and R are incorrect.Correct answer is option 'A'. Can you explain this answer?.
Consider the following statements:Assertion (A): The structure of Earth can be understood by observing the passage of earthquake waves through different layers of earth.Reason (R): Some type of earthquake waves do not travel through liquid material in Earth’s layers.Which of the above statements is/are correct? a) A is correct, and R is an appropriate explanation of A.b) A is correct, but R is not an appropriate explanation of A.c) A is correct, but R is incorrect.d) Both A and R are incorrect.Correct answer is option 'A'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements:Assertion (A): The structure of Earth can be understood by observing the passage of earthquake waves through different layers of earth.Reason (R): Some type of earthquake waves do not travel through liquid material in Earth’s layers.Which of the above statements is/are correct? a) A is correct, and R is an appropriate explanation of A.b) A is correct, but R is not an appropriate explanation of A.c) A is correct, but R is incorrect.d) Both A and R are incorrect.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements:Assertion (A): The structure of Earth can be understood by observing the passage of earthquake waves through different layers of earth.Reason (R): Some type of earthquake waves do not travel through liquid material in Earth’s layers.Which of the above statements is/are correct? a) A is correct, and R is an appropriate explanation of A.b) A is correct, but R is not an appropriate explanation of A.c) A is correct, but R is incorrect.d) Both A and R are incorrect.Correct answer is option 'A'. Can you explain this answer?.
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