Cambridge IGCSE Combined Science practice

Paper 3 structured question: General properties of waves

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

At a glance

Paper

Marks

Topic

General properties of waves

Exam-style question

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Paper 3Theory (Core)2 marks

Understanding wave behavior is essential in various applications.

Description

Waves can reflect and refract, impacting how we perceive sound and light.

a
Describe the process of refraction and its effects on wave direction.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 3Theory (Core)3 marks

Description

When a wave strikes a flat surface, it reflects. When it enters a new medium, it refracts.

a
Explain how waves reflect off a flat surface and refract when their speed changes.
Your answer
Aim for approximately 3 distinct marking points.
[3]