Elasticity MCQs

51. Question

When impurities are added to an elastic substance, its elasticity




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52. Question

The upper end of wire 1 m long and 2 mm radiusis clamped. The lower end is twisted through anangle of 45 degree. The angle of shear is




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53. Question

Longitudinal strain is possible in the case of




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54. Question

When the intermolecular distance increases due to tensile force, then




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55. Question

If a material is heated and annealed, then its elasticity is




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