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Assertion : A body that is a good radiat...

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 correct and Reason is also a good absorber of radiation at a given wavelength.

B

If both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

C

If Assertion is true but Reason is false

D

If Assertion is false but Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
A

a) Good radiations are good absorbers.
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