A hollow sphere and a solid sphere of the same material and equal radii are heat

Question

A hollow sphere and a solid sphere of the same material and equal radii are heated to the same temperature. In this case,

Options:

A . the cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant.

B . both the spheres will emit equal amount of radiation per unit time in the beginning.

C . both will absorb equal amount of radiation from the surrounding in the beginning.

D . both(b) & (c).

Answer: Option D
Answer: (d).both(b) & (c).

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