DP Physics (last assessment 2024)
Question 17N.3.SL.TZ0.12e.i
| Date | November 2017 | Marks available | [Maximum mark: 1] | Reference code | 17N.3.SL.TZ0.12e.i |
| Level | SL | Paper | 3 | Time zone | TZ0 |
| Command term | Draw | Question number | e.i | Adapted from | N/A |
e.i.
[Maximum mark: 1]
17N.3.SL.TZ0.12e.i
Sirius is a binary star. It is composed of two stars, Sirius A and Sirius B. Sirius A is a main sequence star.
The image shows a Hertzsprung–Russell (HR) diagram.
The mass of Sirius A is twice the mass of the Sun. Using the Hertzsprung–Russell (HR) diagram,
(e.i)
draw the approximate positions of Sirius A, labelled A and Sirius B, labelled B.
[1]
Markscheme
Sirius A on the main sequence above and to the left of the Sun AND Sirius B on white dwarf area as shown
Both positions must be labelled
Allow the position anywhere within the limits shown.
