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JEE Main Physics question

PhysicsThermal Properties of MatterJEE Main

The coefficients of linear expansion of brass and steel are and . If we take a brass rod of length and steel rod of length at , their difference in length will remain the same at a temperature if [EAMCET (Med.) 1995]

Answer: (D)

Solution

For the difference in length to stay unchanged, both rods must expand by the same

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Question ID VK-155071