Question

Assertion : A hollow metallic closed container maintained at a uniform temperature cab act as a source of black body radiation.
Reason : All metals act as a black body.
A. If both, Assertion and Reason are true and Reason is the correct explanation of the Asserrion.
B. If both,Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
C. If Assertion is true but the Reason is false.
D. If both, Assertion and Reason are false.

Answer 1

Correct Answer - C
Here, Assertion is true but Reason is false because the metals with highly polised surface cannot act as black bodies.