MEDIUM
10th CBSE
IMPORTANT
Earn 100

Is the position of a star as seen by us its true position? Justify your answer.

Important Questions on The Human Eye and the Colourful World

MEDIUM
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 11 - The Human Eye and the Colourful World>Short Answer Type Questions>Q 22
Why do we see a rainbow in the sky only after rainfall?
MEDIUM
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 11 - The Human Eye and the Colourful World>Short Answer Type Questions>Q 23
Why is the colour of the clear sky blue?
MEDIUM
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 11 - The Human Eye and the Colourful World>Short Answer Type Questions>Q 24
What is the difference in colours of the sun observed during sunrise/sunset and noon? Give explanation for each.
HARD
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 11 - The Human Eye and the Colourful World>Long Answer Type Questions>Q 25
Explain the structure and functioning of human eye. How are we able to see nearby as well as distant objects?
HARD
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 11 - The Human Eye and the Colourful World>Long Answer Type Questions>Q 26
When do we consider a person to be myopic and hypermetropic? Explain using diagram how the defects associated with myopic and hypermetropic eye can be corrected?
MEDIUM
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 11 - The Human Eye and the Colourful World>Long Answer Type Questions>Q 27
Explain the refraction of light through a triangular glass prism using a labelled ray diagram. Hence, define the angle of deviation.
HARD
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 11 - The Human Eye and the Colourful World>Long Answer Type Questions>Q 28

How can we explain the reddish appearance of sun at sunrise or sunset? Why does it not appear red at noon?

MEDIUM
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 11 - The Human Eye and the Colourful World>Long Answer Type Questions>Q 29
Explain the phenomenon of dispersion of white light through a glass prism, using suitable ray diagram.