NEET PhysicsClass 11Young's modulusMediumSingle correct

Wires A and B are made of the same steel. B is twice as long as A and has twice the radius. When the same load hangs from each, the ratio of extensions ΔL_A : ΔL_B is

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Wires A and B are made of the same steel. B is twice as long as A and has twice the radius. When the same load hangs from each, the ratio of extensions ΔL_A : ΔL_B is

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