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If a body (coated black) at 600 K surrou...

If a body (coated black) at `600 K` surrounded by atmosphere at `300 K` has cooling rate `r_(0)`, the same body at `900 K`, surrounded by the same atmosphere will have to colloing rate close to :

A

`16r_(0)//3`

B

`81r_(0)//16`

C

`16r_(0)`

D

`4r_(0)`

Text Solution

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The correct Answer is:
A
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