Read the assertion and reason carefully to mark the correct option ...

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Read the assertion and reason carefully to mark the correct option out of the options given below:
\( \mathrm{P} \)
(a) If both assertion and reason are true and the reason is the
W 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.
(e) If assertion is false but reason is true.
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.
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