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Four spheres A, B, C and D of different ...

Four spheres A, B, C and D of different metals but of same radius are kept at same temperature. The ratio of their densities and specific heats are 2 : 3 : 5 : 1 and 3 : 6 : 2 : 4. Which sphere will show the fastest rate of cooling (initially) :

A

A

B

D

C

C

D

B

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The correct Answer is:
D
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