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Question 17N.3.SL.TZ0.10d

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.3.SL.TZ0.10d
Level SL Paper 3 Time zone TZ0
Command term Outline Question number d Adapted from N/A
d.
[Maximum mark: 1]
17N.3.SL.TZ0.10d

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

The diagram shows an incomplete reflecting telescope.

(d)

The Hubble Space reflecting telescope has a Cassegrain mounting. Outline the main optical difference between a Cassegrain mounting and a Newtonian mounting.

[1]

Markscheme

parabolic/convex mirror instead of flat mirror

eyepiece/image axis same as mirror

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