DP Physics (last assessment 2024)
Question 18M.3.SL.TZ2.11a
| Date | May 2018 | Marks available | [Maximum mark: 2] | Reference code | 18M.3.SL.TZ2.11a |
| Level | SL | Paper | 3 | Time zone | TZ2 |
| Command term | Outline | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
18M.3.SL.TZ2.11a
(a)
Main sequence stars are in equilibrium under the action of forces. Outline how this equilibrium is achieved.
[2]
Markscheme
photon/fusion/radiation force/pressure balances gravitational force/pressure
gives both directions correctly (outwards radiation, inwards gravity)
OWTTE
[2 marks]
