DP Physics (first assessment 2025)

Test builder »

Question EXE.2.HL.TZ0.18c

Select a Test
Date Example questions Example questions Marks available [Maximum mark: 2] Reference code EXE.2.HL.TZ0.18c
Level HL Paper 2 Time zone TZ0
Command term Compare Question number c Adapted from N/A
c.
[Maximum mark: 2]
EXE.2.HL.TZ0.18c
(c)

Protons can also be accelerated by the same potential difference U. Compare, without calculation, the de Broglie wavelength of the protons to that of the electrons.

[2]

Markscheme

The protons have the same energy but greater mass hence a greater momentum than the electrons ✓

From λ=hp, the protons will have a shorter wavelength ✓

Syllabus sections