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The stress corresponding to fracture point is called ______

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The stress corresponding to fracture point is called ______

(a) ultimate stress

(b) breaking stress

(c) yield stress

(d) plastic stress

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Enquiry is from Solids Mechanical Properties in chapter Mechanical Properties of Solids of Physics – Class 11

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Correct option is (b) breaking stress

The explanation: Breaking stress refers to the stress at which the material fractures. Ultimate stress is the maximum stress a material can handle before breaking. The material doesn’t fracture at this stress. Yield stress refers to the stress after which plastic deformation begins.

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