Elementary School: 3rd, 4th & 5th Grade - Science - Light 1 Solution - MCQGeeks.com

Q.1.

In a ray diagram, a normal is a line drawn at .......

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.2.

Light travels .......

100%
Fastest in a vacuum
0%
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.

Light can travel through .......

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

Q.5.

Light travels in .......

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

Q.6.

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

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

Q.7.

Objects with a smooth surface give .......

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

Q.8.

Which of the following is NOT luminous?

0%
A burning candle
0%
A car headlight (switched on)
100%
The moon
0%
The sun

Q.9.

We can see objects because .......

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

Q.10.

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