1.

Two metallic spheres S_(1) and S_(2) made of same material have identical surface finish. The mass of S_(1) is 3 times that of S_(2). Both are heated to same temperature and are placed in same surroundings. Then ratio of their initial rates of fall of temperature will be

Answer»

`(1)/( SQRT3)`
`(1)/(3)`
`((1)/(3))^(1/3)`
`( sqrt3)/( 1)`

ANSWER :C


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