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JEE Main Physics question

PhysicsMechanical Properties of SolidsJEE Main

A rubber cord 10 m long is suspended vertically. How much does it stretch under its own weight? (Given: density of rubber and Young's modulus of elasticity of rubber , ) [Pb. PET 2001]

Answer: (A)

Solution

\dfrac{ρ g L^2}{2Y}\dfracExtra open brace or missing close brace{1.5×10^3$×10×100

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Question ID VK-155043