EASY
10th CBSE
IMPORTANT
Earn 100

Draw a ray diagram showing the dispersion through a prism when a narrow beam of white light is incident on one of its refracting surfaces. Also indicate the order of the colours of the spectrum obtained. 

Important Questions on Human Eye and Colourful World

HARD
10th CBSE
IMPORTANT
Core Science Physics>Chapter 2 - Human Eye and Colourful World>EXERCISE - 2B>Q 16
Is the position of a star as seen by us its true position? Justify your answer.
HARD
10th CBSE
IMPORTANT
Core Science Physics>Chapter 2 - Human Eye and Colourful World>EXERCISE - 2B>Q 17
Why do we see a rainbow in the sky only after rainfall?
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 2 - Human Eye and Colourful World>EXERCISE - 2B>Q 18
Why is the colour of the clear sky blue?
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 2 - Human Eye and Colourful World>EXERCISE - 2B>Q 19
What is the difference in colours of the Sun observed during sunrise/sunset and noon? Give explanation for each.
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 2 - Human Eye and Colourful World>EXERCISE - 2B>Q 20
Give reasons for the following: Colour of clear sky is blue.
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 2 - Human Eye and Colourful World>EXERCISE - 2B>Q 20

Give reason.

The sun can be seen about two minutes before actual sunrise.

EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 2 - Human Eye and Colourful World>EXERCISE - 2B>Q 21
To an astronaut, why does the sky appears dark instead of blue?
HARD
10th CBSE
IMPORTANT
Core Science Physics>Chapter 2 - Human Eye and Colourful World>EXERCISE - 2B>Q 1
Explain the refraction of light through a triangular glass prism using a labelled ray diagram. Hence, define the angle of deviation.