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Questions  >>  EAMCET  >>  Physics
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Two solid spheres A and B made of the same material have radii rA and rB respectively. Both the sphere 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)rArB(b)rBrA(c)r2Ar2B(d)r2Br2A
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