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JEE Main Physics question

PhysicsMechanical Properties of SolidsJEE Main

A rubber rope of length 8 m is hung from the ceiling of a room. What is the increase in length of the rope due to its own weight? (Given: Young's modulus of elasticity of rubber and density of rubber . Take )

Answer: (D)

Solution

Elongation due to self-weight \dfrac{ρ g L^2}{2Y}$ =

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Question ID VK-154898