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The surface of a black body is at a temp...

The surface of a black body is at a temperature `727^(@)C` and its cross section is `1m^(2)` Heat radiated from this surface in one minute in Joules is (Stefan's constant `=5.7 xx 10^(-8) W//m^(2)//k^(4))` .

A

`34.2xx10^5`

B

`2.5xx10^5`

C

`3.42xx10^5`

D

`2.5xx10^5`

Text Solution

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The correct Answer is:
A
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