CAIE A-Level Physics AS 6.2.1 The Terms Elastic Deformation Plastic Deformation and Elastic Limit Questions

Distinguish elastic deformation, plastic deformation and elastic limit from force–extension behaviour.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • Distinguish elastic deformation, plastic deformation and elastic limit from force–extension behaviour.

CAIE A-Level Physics AS 6.2.1 The Terms Elastic Deformation Plastic Deformation and Elastic Limit Questions question 1

[Maximum number: 1]

A sample of metal is subjected to a force which increases to a maximum value and then decreases back to zero. A force-extension graph for the sample is shown.

Figure for Question CAIE A-Level Physics AS 6.2.1 The Terms Elastic Deformation Plastic Deformation and Elastic Limit Questions question 1 — CAIE A-Level Physics AS

When the sample contracts, it follows the same force-extension curve as when it was being stretched.

What is the behaviour of the metal between X and Y ?

A

both elastic and plastic

B

not elastic and not plastic

C

elastic but not plastic

D

plastic but not elastic

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