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Dimensional Analysis

The amount of...

Question

The amount of energy radiated by a body depends upon

the nature of its surface

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the area of its surface

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the temperature of its surface

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all the above factors

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Solution

The correct option is D
all the above factors

The energy of thermalradiation emmitted per unit time by a blackbody of surface area A is given by
$E = σ A T^{4}$

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