CAIE IGCSE Physics 3.2.1 Reflection of Light Topic Practice

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Question 1

[Maximum number: 1]

A ray of light is reflected by a plane mirror.

Figure for Question 1 — CAIE IGCSE Physics

Which row shows the angle of incidence and the angle of reflection?

angle of

incidence

angle of

reflection

P

Q

P

S

Q

R

R

S

Question 2

[Maximum number: 1]

The angle of incidence of a ray of light incident on a plane mirror is gradually increased.
To the nearest degree, what is the maximum possible angle between the incident and reflected rays?

A

0∘0^{\circ}

B

45∘45^{\circ}

C

90∘90^{\circ}

D

180∘180^{\circ}

Question 3

[Maximum number: 1]

The angle between an incident ray and the surface of a plane mirror reflecting the ray is 70∘70^{\circ}.
What is the angle of incidence?

A

20∘20^{\circ}

B

40∘40^{\circ}

C

70∘70^{\circ}

D

140∘140^{\circ}

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