A black body radiates energy at the rate of 1×105 J/(sm)2 at a temperature of 227°C. The temperature to which it must be heated so that it radiates energy at the rate of 1×109 J/(sm)2. a) 5000 K b) 5000°C c) 500 K d) 500°C

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A black body radiates energy at the rate of 1×105 J/(sm)2 at a temperature of 227°C. The temperature to which it must be heated so that it radiates energy at the rate of 1×109 J/(sm)2.

a) 5000 K

b) 5000°C

c) 500 K

d) 500°C

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