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Two solid sphere of copper have radii 10...

Two solid sphere of copper have radii 10 cm and 8 cm respectively. Their temperature are `227^@C` and `127^@C` respectively they are allowed to cool by radiation in a room of temperature `27^@C` then the initial rates of heat loss are in the ratio

A

`85/14`

B

`34/7`

C

`7/34`

D

`14/85`

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