A black body at a high temperature radiates energy at the rate of U (in Wm-²). When the temperature falls to half, the radiated energy (in Wm-²) will be - VgyanHub

Question:

A black body at a high temperature radiates energy at the rate of U (in Wm-²). When the temperature falls to half, the radiated energy (in Wm-²) will be

Options :

(a) U/8
(b) U/16
(c) U/4
(d) U/2

Answer :

(b) U/16

Answer Steps :

step 1

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