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JEE Main Physics question

PhysicsMechanical Properties of SolidsJEE Main

Wires and are made from the same material. has twice the diameter and three times the length of . If the elastic limits are not reached, when each is stretched by the same tension, the ratio of energy stored in to that in is

Answer: (B)

Solution

Energy stored for a given tension is . With

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Question ID VK-155125