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Read the assertion and reason carefully to mark the correct option out of the options given below:
Assertion: A body that is a good radiator is also a good absorber of radiation at a given wavelength.
Reason: According to Kirchhoff's law the absorptivity of a body is equal to its emissivity at a given wavelength.
  • a)
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • b)
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • c)
    If assertion is true but reason is false.
  • d)
    If the assertion and reason both are false.
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Read the assertion and reason carefully to mark the correct option ou...
Explanation:
Assertion and Reason Analysis
According to Kirchhoff's law, the absorptivity of a body is equal to its emissivity at a given wavelength. This means that a body that is a good radiator (emitter) will also be a good absorber of radiation at that same wavelength.
Assertion Explanation
A body that is a good radiator emits radiation efficiently. This also implies that it can absorb radiation effectively at the same wavelength. Therefore, the assertion is true.
Reason Explanation
Kirchhoff's law states that absorptivity is equal to emissivity at a given wavelength. This means that a body that efficiently emits radiation will also absorb radiation well at that wavelength. Thus, the reason is also true and supports the assertion.
Conclusion
Therefore, option 'A' is the correct choice. Both the assertion and reason are true, and the reason provides a correct explanation for the assertion based on Kirchhoff's law.
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Community Answer
Read the assertion and reason carefully to mark the correct option ou...
According to Kirchhoff's law, a = e. or the absorptivity of a body equals its emissivity. A good absorber is a good emitter. As a good absorber is poor reflector, emitting (or radiating) ability of body is oppositely related to its ability to reflect. Therefore good emitter (or radiator) is a poor reflector.
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Read the assertion and reason carefully to mark the correct option out of the options given below:Assertion: A body that is a good radiator is also a good absorber of radiation at a given wavelength.Reason: According to Kirchhoff's law the absorptivity of a body is equal to its emissivity at a given wavelength.a)If both assertion and reason are true and the reason is the correct explanation of the assertion.b)If both assertion and reason are true but reason is not the correct explanation of the assertion.c)If assertion is true but reason is false.d)If the assertion and reason both are false.Correct answer is option 'A'. Can you explain this answer?
Question Description
Read the assertion and reason carefully to mark the correct option out of the options given below:Assertion: A body that is a good radiator is also a good absorber of radiation at a given wavelength.Reason: According to Kirchhoff's law the absorptivity of a body is equal to its emissivity at a given wavelength.a)If both assertion and reason are true and the reason is the correct explanation of the assertion.b)If both assertion and reason are true but reason is not the correct explanation of the assertion.c)If assertion is true but reason is false.d)If the assertion and reason both are false.Correct answer is option 'A'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Read the assertion and reason carefully to mark the correct option out of the options given below:Assertion: A body that is a good radiator is also a good absorber of radiation at a given wavelength.Reason: According to Kirchhoff's law the absorptivity of a body is equal to its emissivity at a given wavelength.a)If both assertion and reason are true and the reason is the correct explanation of the assertion.b)If both assertion and reason are true but reason is not the correct explanation of the assertion.c)If assertion is true but reason is false.d)If the assertion and reason both are false.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Read the assertion and reason carefully to mark the correct option out of the options given below:Assertion: A body that is a good radiator is also a good absorber of radiation at a given wavelength.Reason: According to Kirchhoff's law the absorptivity of a body is equal to its emissivity at a given wavelength.a)If both assertion and reason are true and the reason is the correct explanation of the assertion.b)If both assertion and reason are true but reason is not the correct explanation of the assertion.c)If assertion is true but reason is false.d)If the assertion and reason both are false.Correct answer is option 'A'. Can you explain this answer?.
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