Elasticity MCQs

56. Question

A long string is stretched by 2 cm and the potential energy is V. if the spring is stretched by 10 cm. its potential energy will be (CPMT 76)




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57. Question

The radii of two wires of a same material are in ratio 2:1. if the wires are stretched by equal forces, the stress produced in them will be (MHTCET 2005)




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58. Question

Hooke’s law essentially defines (PMTMP 88)




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59. Question

The Young’s modulus for a plastic body is




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