The energy emitted per second by a black...

The energy emitted per second by a black body at `27^(@)C` is 10 J. If the temperature of the black body is increased to `327^(@)C` , the energy emitted per second will be

20 J

40 J

80 J

160 J

Text Solution

Verified by Experts

The correct Answer is:

Efficiency ,`E_(2)=E_(1)(T_(2)/(T_(1)))^(4)=10((327+273)/(27+273))^(4)=160 J`

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