A wire of length L| ELASTICITY AND VISCOSITY |JEE MAIN 2022

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JEE MAIN 2022

25-07-2022 S1

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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.

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