KS3 - Ks3 Science - Light 01 Solution - MCQGeeks.com

Q.1.

Light can travel through which of the following?

0%
A luminous material
0%
A mirror
0%
A translucent material
100%
An opaque material

Q.2.

Which of the following statements about light is not false?

0%
Fastest in a vacuum
100%
Fastest in air
0%
Fastest in water
0%
Slower than sound

Q.3.

Which of the following is translucent?

0%
A mirror
0%
Air
100%
Greaseproof paper
0%
The moon

Q.4.

We usually look at our reflection in a flat mirror. This type of mirror is a .......

0%
Bi-concave mirror
0%
Concave mirror
0%
Convex mirror
100%
Plane mirror

Q.5.

Objects with a smooth surface give what type of reflection?

0%
Diffuse reflection
0%
Irregular reflection
0%
No reflection
100%
Regular reflection

Q.6.

Which of the following statements is the correct reason we can see objects that are NOT luminous?

0%
Our eyes give out light
100%
They bend light into our eyes
0%
They reflect light into our eyes
0%
They shine light into our eyes

Q.7.

In a flat mirror, the angle of incidence is equal to what?

0%
The angle of emergence
100%
The angle of reflection
0%
The angle of refraction
0%
The angle of transmission

Q.8.

In a ray diagram, a normal is a line drawn at what angle to the surface?

0%
180° to the mirror's surface
0%
45° to the mirror's surface
0%
60° to the mirror's surface
100%
90° to the mirror's surface

Q.9.

Which of the following is NOT luminous?

0%
A burning candle
0%
A car headlight (switched on)
100%
The Moon
0%
The Sun

Q.10.

Light travels in:

0%
Circular lines
0%
Straight lines
100%
Wavy lines
0%
Zig zag lines