MCQ- 5 ICSE Physics class 10 ch-2 Light

Class 10 - Light Quiz (Refraction Effects)

1. Why does a stick appear bent when placed in water?

Due to reflection of light
Due to refraction of light
Due to diffraction of light
Due to absorption of light

2. When light travels from a denser medium to a rarer medium at an angle, it:

Travels straight without bending
Bends away from the normal
Bends towards the normal
Is absorbed completely

3. What is the reason for the apparent depth of a swimming pool being less than its real depth?

Reflection of light
Refraction of light
Diffraction of light
Scattering of light

4. What happens to the speed of light when it travels from water to air?

It slows down
It speeds up
It stops
It becomes scattered

5. What is one consequence of refraction of light?

A pencil appears bent in water
Light travels in a straight line
Sound waves travel faster
Heat energy is produced

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