MEDIUM
8th CBSE
IMPORTANT
Earn 100

Give reasons for the following:
A pencil dipped in water appears bent at the surface of the water.

Important Questions on Refraction of Light

MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Exercises>Q E
Give reasons for the following:
The bottom of a glass of water appears raised when seen from above.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Exercises>Q E
Stars appear to be slightly higher in the sky than they actually are. Why is this so?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Exercises>Q E
Describe, giving reasons, the path a ray of light incident on a glass slab takes till it emerges from the slab.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Exercises>Q E
Describe an experiment to prove that white light is made up of light of seven colours.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Exercises>Q E
Draw a labelled diagram of the eye. Explain how light enters the eye, how and where the image is formed and how the image is transmitted to the brain.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Exercises>Q E
List five guidelines we should follow to care for our eyes.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Higher-order Thinking Skills>Q 1
Why is a spectrum formed by a prism and not by a glass slab?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Higher-order Thinking Skills>Q 2
Under white light, what colour will an object appear to be in the following case?
It reflects all colours.