A-LevelPhysicsDeformation of solids9702/12 · Feb/Mar 2019 · Q191 Mark

A metal wire, fixed at one end, has length l and cross-sectional area A. The wire extends a distance e when mass m is hung from the other end of the wire. What is an expression for the Young Modulus E of the metal?

Aml / Ae

Bmgl / Ae

Cme / Al

Dmge / Al

✓ Correct answer

B: mgl / Ae

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, Feb/Mar 2019 Paper 1 Variant 2, question 19.

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

The behaviour of a wire under tensile stress may be described in terms of the Young modulus E of the material of the …

A wire stretches 8 mm under a load of 60 N. A second wire of the same material, with half the diameter and a quarter …

What is the unit of the Young modulus?

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

Light waves are emitted from two sources. What is a necessary condition for observable interference fringes to be pro…

Light of wavelength 567 nm is incident normally on a diffraction grating. The grating has 400 lines per mm. A number …