1.

Two metallic spheres S_(1)andS_(2) made of same material have identical surface finish. The mass of S, is 3 times that 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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