Question

The thermal radiation emitted by a body is proportional to Tⁿ, where T is its absolute temperature. The value of 'n' is exactly 4 for

a.

black painted bodies only

b.

all bodies

c.

polished bodies only

d.

a black body

Answer: (b).all bodies

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Q. The thermal radiation emitted by a body is proportional to Tⁿ, where T is its absolute temperature. The value of 'n' is exactly 4 for

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