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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

Two rods P and Q have equal lengths. Their thermal conductivities are and and cross-sectional areas are and . When the temperature at ends of each rod are and respectively, the rate of flow of heat through P and Q will be equal, if

Answer: (A)

Solution

Both rods have the same length and the same end temperatures and , so gives

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Question ID VK-065931