Cambridge IGCSE Physics practice

Paper 3 structured question: Reflection of light

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Paper

Marks

Topic

Reflection of light

Exam-style question

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Paper 3Theory (Core)2 marks

Understanding angles in reflection.

Description

A light ray hits a surface and reflects off. The angle of incidence is measured to be 60 degrees.

a
Define the angle of incidence.
Your answer
Aim for approximately 1 distinct marking point.
[1]
b
State the relationship between the angle of incidence and the angle of reflection.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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Paper 3Theory (Core)1 marks

Description

A light ray strikes a plane mirror at an angle of 45 degrees to the normal.

a
State the angle of reflection when the angle of incidence is 45 degrees.
Your answer
Aim for approximately 1 distinct marking point.
[1]