Q.

A black body radiates energy at the rate of E watt/m2 at a high temperature TK when the temperature is reduced to T2K . Then radiant energy is

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a

E2

b

2E

c

E4

d

E16

answer is D.

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Detailed Solution

E=σT4⇒E1E2=T1T24
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Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
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Best Books for NEET
How to Join IIT after 10th
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