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Question 17N.3.SL.TZ0.e.i

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.3.SL.TZ0.e.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.e.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,

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.

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