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Sec 1 Ch5 Light

Total questions: 10

Worksheet time: 7mins

Name
Class
Date
1.

An imaginary line that is perpendicular to the reflecting surface e.g. a mirror is known as the ____.

a)

normal

b)

incident ray

c)

reflected ray

d)

angle of incidence

2.

The angle between the _______ and the incident ray is known as the angle of ____.

a)

normal; reflection

b)

normal; incidence

c)

reflected ray; incidence

d)

reflected ray; reflection

3.

Which of the following is NOT a property of an image formed by a plane mirror?

a)

virtual

b)

laterially inverted

c)

upside down

d)

same size

4.

Which type of mirror forms a small field of vision with enlarged objects?

a)

plane mirror

b)

concave mirror

c)

convex mirror

d)

rear-view mirror

5.

Rough surfaces do not form an image because

a)

there is no reflection on rough surfaces

b)

the reflected rays are at different angles

c)

the reflected rays are parallel

d)

the reflected images are undistorted and clear

6.

A ray of light travelling in another medium at a different speed is known as the

a)

normal

b)

incident ray

c)

refracted ray

d)

emergent ray

7.

A glass prism can be used to split white light into its component colours. This is known as (a)   of light.

8.

When light rays move from an optically denser medium to a less dense medium, light rays move (a)   the normal.

9.

Light travels slower and bends more towards the normal is a (a)   (more/less) optically dense medium.

10.

Light travels from n1 to n2. Based on the refraction of light, determine if n1 or n2 is an optically denser medium.

a)

n1 > n2

b)

n2 > n1

c)

same optical densities