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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

A metal ball of surface area 200 square cm, temperature 527°C is surrounded by a vessel at 27°C. If the emissivity of the metal is 0.4, then the rate of loss of heat from the ball is : ( J/m s K)

Answer: (C)

Solution

A(T^4T_0^4)10^{-8}(800^4$-30

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Question ID VK-063090