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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

A black rectangular surface of area A emits energy E per second at . If length and breadth is reduced to of initial value and temperature is raised to then energy emitted per second becomes [MHT-CET 2022]

Answer: (C)

Solution

The area becomes and the temperature doubles from 300 K to 600 K, so the energy per second

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Question ID VK-063796