BITSAT Physics Thermal Properties Of Matter Online Test Set A

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Question 1

Question

If the radius of a star is R and it acts as a black body, what would be the temperature of the star, in which the rate of energy production is Q ?

	Answer
	(Q/4πR²σ)^–1/2
	(Q/4πR²σ)^1/4
	(4πR²Q/σ)1/4
	Q/4πR² σ