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If the temperature of a hot body is incr...

If the temperature of a hot body is increased by `50%`, then the increase in the quantity of emitted heat radiation will be

A

1.25

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
D
`Q prop T^4 implies ((T_1)/(T_2))^4 implies ((T)/(T+T//2))^4=(16)/(81)`
`implies Q_2 =(81)/(16) Q_1`
% increase in energy = `(Q_2-Q_1)/(Q_1)xx 100 =400%`
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