A black body at 227^(@)C radiates heat a...

A black body at `227^(@)C` radiates heat at the rate of `7 cal` `cm^(-2) s^(-1)`. At a temperature of `727^(@)C`, the rate of heat radiated in the same unit will be

A

60

B

50

C

112

D

80

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The correct Answer is:

c

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