1.

A highly conducting solid sphere of radius R , density ρ and specific heat s is kept in an evacuated chamber. A parallel beam of thermal radiation of intensity I is incident on its surface.Consider the sphere to be a perfectly black body and its temperature at certain instant t=0 is considered as T0 [Take Stefan's constant as σ]The maximum attainable temperature of the sphere is

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A highly conducting solid sphere of radius R , density ρ and specific heat s is kept in an evacuated chamber. A parallel beam of thermal radiation of intensity I is incident on its surface.

Consider the sphere to be a perfectly black body and its temperature at certain instant t=0 is considered as T0 [Take Stefan's constant as σ]

The maximum attainable temperature of the sphere is



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