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JEE Main Physics question

PhysicsMechanical Properties of SolidsJEE Main

On increasing the length by 0.5 mm in a steel wire of length 2 m and area of cross-section , the force required is [ for steel ]

Answer: (D)

Solution

\dfrac{YAΔ l}{L}\dfracExtra open brace or missing close brace{2.2×10^{11}10^{-6}$\

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Question ID VK-154897