Cambridge IGCSE Physics practice

Paper 3 structured question: Refraction of light

Try the question first, then check the answer and practise the same topic again.

At a glance

Paper

Marks

Topic

Refraction of light

Exam-style question

Try this first

Paper 3Theory (Core)1 marks

Refraction of light at a boundary between air and water.

Description

A ray of light strikes the surface of water at an angle of incidence of 45°. The refractive index of water is 1.33.

a
State the angle of refraction when the light enters the water.
Your answer
Aim for approximately 1 distinct marking point.
[1]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Flashcard 1 of 6

Press Space to flip, arrows to move

Paper 3Theory (Core)1 marks

Description

A light ray enters a glass block at an angle of incidence of 60°. The refractive index of glass is 1.5.

a
State the angle of refraction as the light enters the glass.
Your answer
Aim for approximately 1 distinct marking point.
[1]