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A heated body emits radiation which has maximum intensity near the frequency v0. The emissivity of the material is 0.5. If the absolute temperature of the body is doubled, 

(a) the maximum intensity of radiation will be near the frequency 2v0 

(b) the maximum intensity of radiation will be near the frequency v0/2 

(c) the total energy emitted will increase by a factor of 16.

(d) the total energy emitted will increase by a factor of 8.

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1 Answer

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The correct answer is (a) (c) 

(a) the maximum intensity of radiation will be near the frequency 2v0

(c) the total energy emitted will increase by a factor of 16.

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