Varsity KA Admission / Physics 1st Paper

Chapter-7 : Structural Properties of Matter

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Question 1 / Physics 1st Paper

Length of a wire is 2 m and diameter is 5 mm. Length of the wire increases 10% as a result of application of force along length. If Poisson’s ratio is 0.02, then how much its diameter will be reduced? [JU’17-18]