Question 16
Question 16 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
6. Deformation of solids
6.2. Elastic and plastic behaviour

understand that the area under the force–extension graph represents the work done

6. Deformation of solids
6.1. Stress and strain

recall and use the formula for the spring constant k = F/x