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MHT CET202015 Oct 2020Evening ShiftPhysicsMechanical Properties of SolidsActual

A wire of length 'L' and radius ' r ' is loaded with a weight ' Mg '. If ' Y ' and ' ' denote the Young's modulus and poisson's ratio of the material of the wire respectively, then the decrease in the radius of the wire ( r ) is given by

Options

  1. AMgY r
  2. BMg rY
  3. Cr MgY
  4. DMgr Y

Correct answer

B. Mg rY

Step-by-step solution

No Solution

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