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Q.

The temperature of the body is increased from $- 73^{0} C to 327^{0} C$ , the ratio of energy emitted per second is

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a

1 : 9

b

1 : 27

c

1 : 3

d

1 : 81

answer is B.

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Detailed Solution

Energy per second P( $= \frac{Q}{t}) directly proportional to T^{4}$

Here T₁ =200K and T₂ = 600 K

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The temperature of the body is increased from -730C to 3270C, the ratio of energy emitted per second is