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JEE Main Physics question

PhysicsMechanical Properties of SolidsJEE Main

A thick rope of rubber of density and Young's modulus , 8 m in length, is hung from the ceiling of a room. The increase in its length due to its own weight is

Answer: (A)

Solution

\dfrac{ρ g L^2}{2Y}\dfrac{1.5×10^3×10×64}$

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Question ID VK-154905