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Mechanical Properties of Solids Quiz 1

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10 Question

Popular Questions In Mechanical Properties of Solids Quiz 1

  • Which one of the following substances possesses the highest elasticity?

  • S.I unit of stress is

  • A wire is stretched to double of its length. The strain is

  • A and B are two steel wires and the radius of A is twice that of B. If they are stretched by the same load, then the stress on B is ____.

  • Two wires of the same material have radii rAr_A and rBr_B respectively. The radius of wire A is thrice the radius of wire B. If they are stretched by same load then stress on wire B is ___

  • The length of a wire increases by 1% by a load of 2 kg wt. The linear strain produced in the wire will be

  • A wire of length ‘L’, radius ‘r’ when stretched with a force ‘F’ changes in length by l’. What will be the change in length of a wire of same material having length ‘2L’ radius ‘2r and stretched by a force ‘2F’?

  • A force of 100 N produces a change of 0.1% in a length of wire of area of cross section 1 mm2mm^2 . Young’s modulus of the wire is ____

  • A copper wire (Y=1×1011N/m2)(Y=1\times10^{11} N/m^2) of length 6 m and a steel wire (Y=2×1011N/m2)(Y=2\times10^{11} N/m^2) of length 4 m each of cross-section 105m210^{-5}m^2 are fastened end to end and stretched by a tension of 100 N. The elongation produced in the copper wire is

  • When a force is applied to the free end of a metal wire, metal wire undergoes