DP Physics (last assessment 2024)
Question 19M.3.HL.TZ2.8bi
Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.HL.TZ2.8bi |
Level | HL | Paper | 3 | Time zone | TZ2 |
Command term | Determine | Question number | bi | Adapted from | N/A |
bi.
[Maximum mark: 1]
19M.3.HL.TZ2.8bi
A proton has a total energy 1050 MeV after being accelerated from rest through a potential difference V.
(bi)
Determine the momentum of the proton.
[1]
Markscheme
«p2 c2 = 10502–9382 therefore» p=472«MeVc–1»✔
Examiners report
Most candidates seemed to have the right starting points but mistakes were often made in attempting to convert units. The energy-momentum equation is generally best answered using only ‘MeV’ based units.
