Q49Assertion & reason
Assertion (A): Black body is an ideal body that emits and absorbs radiations of all frequencies.
Reason (R): The frequency of radiation emitted by a body goes from a lower frequency to higher frequency with an increase in temperature. (i) Both A and R are true and R is the correct explanation of A. (ii) Both A and R are true but R is not the explanation of A. (iii) A is true and R is false. (iv) Both A and R are false.
- (i)Both A and R are true and R is the correct explanation of A.
- (ii)Both A and R are true but R is not the explanation of A.
- (iii)A is true and R is false.
- (iv)Both A and R are false.
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(ii) Both A and R are true but R is not the explanation of A.