A black body emit heat at the rate of 20...

A black body emit heat at the rate of `20 W`, when its tempertaure is `227^(@)C` Another black body emits heat at the rate of `15 W`, when its temperature is `227^(@)C`. Compare the area of the surface of the two bodies, if the surrounding is at `NTP`

A

`16:1`

B

`1:4`

C

`12:1`

D

`1:12`

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The correct Answer is:

D

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