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A body of area 1cm^2 is heated to a tem...

A body of area `1cm^2` is heated to a temperature 1000K. The amount of energy radiated by the body in 1 s is (Stefan’s constant `sigma = 5.67 xx 10^(-8)Wm^(-2)K^(-4)`)

A

5.67 joule

B

0.567 joule

C

56.7 joule

D

567 joule

Text Solution

Verified by Experts

The correct Answer is:
A
Energy radiated
`E=sigma AT^4t=5.67 xx 10^(-8)xx10^(-4) xx (1000)^4 xx 1 =5.67` J
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