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JEE Main Physics question

PhysicsMechanical Properties of SolidsJEE Main

One end of a steel wire is fixed to the ceiling of an elevator moving up with an acceleration and a load of 10 kg hangs from the other end. Area of cross-section of the wire is . The longitudinal strain in the wire is (take and )

Answer: (B)

Solution

Tension . Stress 10^{-4})$ =

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Question ID VK-154937