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Question 17N.3.SL.TZ0.a

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Date November 2017 Marks available [Maximum mark: 3] Reference code 17N.3.SL.TZ0.a
Level SL Paper 3 Time zone TZ0
Command term Show Question number a Adapted from N/A
a.
[Maximum mark: 3]
17N.3.SL.TZ0.a

An astronomical reflecting telescope is being used to observe the night sky.

The diagram shows an incomplete reflecting telescope.

Complete the diagram, with a Newtonian mounting, continuing the two rays to show how they pass through the eyepiece.

[3]

Markscheme

plane mirror to the left of principal focus tilted anti-clockwise

two rays which would go through the principal focus

two rays cross between mirror and eyepiece AND passing through the eyepiece

eg:

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