A black body, at a temperature of 227°C, radiates heat at a rate of 20 cal m⁻² s⁻¹. When its temperature is raised to 727°C, the heat radiated by it in cal m⁻² s⁻¹ will be closest to
A
40
B
160
C
320
D
640

Question

A black body, at a temperature of 227°C, radiates heat at a rate of 20 cal m⁻² s⁻¹. When its temperature is raised to 727°C, the heat radiated by it in cal m⁻² s⁻¹ will be closest to

Accepted Answer

320

Answer

40

Answer

160

Answer

640

AIIMS 2003 Physics Black Body Radiation MCQ Question

Correct Answer

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