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Two metallic sphere A and B are made of ...

Two metallic sphere A and B are made of same material and have got identical surface finish. The mass of sphere A is four times that of B. Both the spheres are heated to the same temperature and placed in a room having lower temperature but thermally insulated from each other.

A

The ratio of heat loss of A to that of B is `2^(4//3)`

B

The ratio of heat loss of A to that of B is `2^(2//3)`

C

The ratio of the initial rate of cooling of A to that of B is `2^(-2//3)`

D

The ratio of the initial rate of cooling of A to that of B is `2^(-4//3)`

Text Solution

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The correct Answer is:
A, C
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