A-LevelPhysicsDeformation of solids9702/12 · May/June 2018 · Q201 Mark

An elastic material with Young modulus E is subjected to a tensile stress S. Hooke's law is obeyed. What is the expression for the elastic energy stored per unit volume of the material?

AE/(2S²)

B(2E)/S²

CS²/E

DS²/(2E)

✓ Correct answer

D: S²/(2E)

Oracle Prep sorts past-paper questions by topic, so you can drill Deformation of solids and see which topics are most likely to come up next.

Topic: Deformation of solids, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2018 Paper 1 Variant 2, question 20.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

A spring is fixed at one end and extended by applying force F to the other end. The spring has extension x and elasti…

A force-extension graph is produced for a metal wire. What must describe the limit of proportionality of the wire?

A wire is extended by a tensile force so that its deformation is elastic. What is meant by elastic deformation?

What is the approximate range of wavelengths in free space for infrared radiation?

A progressive wave of frequency 300 Hz is travelling with a speed of 600 m s⁻¹. What is the phase difference between …

A polarised beam of light with intensity I is incident normally on a polarising filter. The transmitted light has int…