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The rate of cooling at 600 K, if surroun...

The rate of cooling at 600 K, if surrounding temperature is 300 K is R. The rate of cooling at 900 K is

A

`(16)/(3)R`

B

2R

C

3R

D

`(2)/(3)R`

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The correct Answer is:
A
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ERRORLESS -TRANSMISSION OF HEAT-Radiation (Stefan s law)
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