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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 `1 m^(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

`34.2 xx 10^(5)`

B

`2.5 xx 10^(5)`

C

`3.42 xx 10^(5)`

D

`2.5 xx 10^(6)`

Text Solution

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The correct Answer is:
A
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