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JEE Main 2022 Physics question

PhysicsMechanical Properties of SolidsJEE Main 2022

A wire of length L and radius r is clamped rigidly at one end. When the other end of the wire is pulled by a force F, its length increases by 5 cm. Another wire of the same material of length 4L and radius 4r is pulled by a force 4F under same conditions. The increase in length of this wire is cm.

Answer: 5

Solution

= FL/(AY). So L_{2}L_{1}$ =

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Question ID VK-024766