Physics (AS & A Level) · Feb / March 2022 · Paper 12 · Question 19

An object is stretched until it reaches the elastic limit. Which statement must describe the stress on the object when it is at the elastic limit?

1. AIt is the maximum stress for which the object obeys Hooke's law.
2. BIt is the maximum stress that can be applied to the object before it has elastic deformation.
3. CIt is the maximum stress that can be applied to the object before it has plastic deformation.
4. DIt is the maximum stress the object can withstand before it breaks.

As printed in the paper