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NEET
Exam
NEET
Subject
Physics
Chapter
Mechanical Properties of Solids

NEET · Physics · Mechanical Properties of Solids

Consider the following about stress-strain curve: (i) Proportional...

Consider the following about stress-strain curve: (i) Proportional limit is the point up to which stress (\alpha) strain. (ii) Elastic limit is the maximum stress a material can bear without permanent deformation. (iii) Yield point is the stress level where material begins to deform plastically. (iv) Ultimate stress is the minimum stress required to break the material. Which are correct?

Options

  1. A(i), (ii), (iii) only
  2. B(ii), (iii), (iv) only
  3. C(i), (ii), (iii), (iv)
  4. D(i) and (ii) only

Correct answer

A. (i), (ii), (iii) only

Step-by-step solution

Statement (iv) is wrong (\rightarrow) breaking stress is the maximum stress material can withstand before breaking, not minimum.
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