DP Physics (first assessment 2025)

Test builder »

Question 20N.1A.SL.TZ0.40

Select a Test
Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.1A.SL.TZ0.40
Level SL Paper 1A Time zone TZ0
Command term Question number 40 Adapted from N/A
40.
[Maximum mark: 1]
20N.1A.SL.TZ0.40

The Rutherford-Geiger-Marsden experiment shows that

A.  alpha particles do not obey Coulomb’s law.

B.  there is a fixed nuclear radius for each nucleus.

C.  a large proportion of alpha particles are undeflected.

D.  the Bohr model of the hydrogen atom is confirmed.

[1]

Markscheme

C

Examiners report

This has a low discrimination index but it was felt that perhaps as it was the last question students were guessing the answer especially those choosing option A.

Syllabus sections