Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Mechanical Properties of Solids Stress-strain curve
Which of the following is correct regarding the region B to D in a typical stress-strain curve as given below?
1
Point B to D, material follows Hook's Law
2
strain does not occur for given stress
3
strain increases very slowly even for a small change in the stress
4
strain increases rapidly even for a small change in the stress
5
None of the above/More than one of the above.