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Question 17N.2.SL.TZ0.a.iii

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Date November 2017 Marks available [Maximum mark: 2] Reference code 17N.2.SL.TZ0.a.iii
Level SL Paper 2 Time zone TZ0
Command term Sketch Question number a.iii Adapted from N/A
a.iii.
[Maximum mark: 2]
17N.2.SL.TZ0.a.iii

A large cube is formed from ice. A light ray is incident from a vacuum at an angle of 46˚ to the normal on one surface of the cube. The light ray is parallel to the plane of one of the sides of the cube. The angle of refraction inside the cube is 33˚.

Sketch, on the diagram, the subsequent path of the light ray.

[2]

Markscheme

total internal reflection shown

ray emerges at opposite face to incidence

Judge angle of incidence=angle of reflection by eye or accept correctly labelled angles

With sensible refraction in correct direction

Syllabus sections