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A black body is at 727^(@)C. It emits en...

A black body is at `727^(@)C`. It emits energy at a rate which is proportinal to :

A

`(1000)^(4)`

B

`(1000)^(2)`

C

`(727)^(4)`

D

`(727)^(2)`.

Text Solution

Verified by Experts

The correct Answer is:
A
According to Stefan.s law
`EpropT^(4)`, where T is absolute temperature of black body.
`Eprop(727+273)^(4)`
`rArrEprop(1000)^(4)`
Correct choice is (a).
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