(A) : Black body emits radiations in a discontinuous manner.(R) : Black body gives a continuous spectrum.

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(A) : Black body emits radiations in a discontinuous manner.
(R) : Black body gives a continuous spectrum.

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Both ‘A’ and ‘R’ are true and ‘R’ is the correct explanation of ‘A’.

‘A’ is true but ‘R’ is false

Both 'A' and 'R' are false

Both ‘A’ and ‘R’ are true and ‘R’ is not the correct explanation of ‘A’

answer is B.

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Detailed Solution

Black body emits radiations in a discontinuous manner i.e in the form of small packets known as quantum.
A black body is an idealized object that absorbs all electromagnetic radiation it comes in contact with. It then emits thermal radiation in a continuous spectrum according to its temperature.

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