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Two solid spheres A and B made of the sa...

Two solid spheres A and B made of the same material have radii `r_(A)` and `r_(B)` respectively . Both the spheres are cooled from the same temperature under the conditions valid for Newton's law of cooling . The ratio of the rate of change of temperature of A and B is

A

`(r_A)/( r_B)`

B

`(r_B)/( r_A)`

C

`( r_A^2)/( r_B^2)`

D

`(r_B^2)/( r_A^2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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