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A black body at a temperature of 227 ^@C...

A black body at a temperature of `227 ^@C` radiates heat at a rate of `5 cal//cm^2s`. At a temperature of `727 ^@C`, the rate of heat radiated per unit area will be

A

`10cal//m^2-s`

B

`20cal//m^2-s`

C

`40cal//m^2-s`

D

`80cal//m^2-s`

Text Solution

Verified by Experts

The correct Answer is:
D
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