DP Physics (last assessment 2024)

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

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

a.i.

[Maximum mark: 2]

17N.2.SL.TZ0.a.i

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˚.

Calculate the speed of light inside the ice cube.

[2]

Markscheme

«v = c $\frac{{{\text{sin }}i}}{{{\text{sin }}r}}$ =» $\frac{{3 \times {{10}^8} \times {\text{sin}}\left( {33} \right)}}{{{\text{sin}}\left( {46} \right)}}$

2.3 x 10⁸ «m s^–1»

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Core » Topic 4: Waves » 4.4 – Wave behaviour

Core » Topic 4: Waves

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

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