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JEE Main Physics question

PhysicsMechanical Properties of SolidsJEE Main

When a wire of length 10 m is subjected to a force of 100 N along its length, the lateral strain produced is . The Poisson's ratio was found to be 0.4. If the area of cross-section of wire is , its Young's modulus is [EAMCET 2007]

Answer: (A)

Solution

Poisson's ratio , so longitudinal strain \dfrac{0.01×10^{-3}}{0.4}$ =

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Question ID VK-154866