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The thermal radiation emited by a body i...

The thermal radiation emited by a body is proportional to `T^(n)` where `T` is its absolute temperature. The value of `n` is exactly 4 for

A

a balc kbody

B

all bodies

C

bodie painted black only

D

polished bodies only

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The correct Answer is:
B
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NARAYNA-TRANSMISSION OF HEAT-C .U .Q
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