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JEE Main Physics question

PhysicsMechanical Properties of SolidsJEE Main

The following four wires of length and radius are made of the same material. Which of these will have the largest extension, when the same tension is applied? [K CET 2011]

Answer: (D)

Solution

For a given material and tension, elongation . Computing (in cm/mm) for each case: (A) $400/0.64 =

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Question ID VK-154825