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0 votes
7.9k views
in Physics by (24.0k points)

A black body is at a temperature 300 K. It emits energy at  rate, which is proportional to

(a) 300

(b) (300)3

(c) (300)2

(d) (300)4

1 Answer

+1 vote
by (34.3k points)
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Best answer

Correct option (d) (300)4

Explanation :

Temperature of a black body T = 300 K. Stefan's law of radiation states that rate of energy emitted per unit area by the black body

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