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MHT CET 2022 Physics question

PhysicsMechanical Properties of SolidsMHT CET 2022

When a long spring is stretched by 1 cm, the potential energy stored in the spring is 'U'. If it stretched by 4 cm, the potential energy stored in it is

Answer: (B)

Solution

The potential energy stored in a stretched spring is , so . For an extension increased from 1 cm to 4 cm, $ =

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Question ID VK-097084