DP Physics (last assessment 2024)
Question 21M.1.HL.TZ1.22
Date | May 2021 | Marks available | [Maximum mark: 1] | Reference code | 21M.1.HL.TZ1.22 |
Level | HL | Paper | 1 | Time zone | TZ1 |
Command term | Question number | 22 | Adapted from | N/A |
22.
[Maximum mark: 1]
21M.1.HL.TZ1.22
In a hydrogen atom, the sum of the masses of a proton and of an electron is larger than the mass of the atom. Which interaction is mainly responsible for this difference?
A. Electromagnetic
B. Strong nuclear
C. Weak nuclear
D. Gravitational
[1]
Markscheme
A