EASY
10th CBSE
IMPORTANT
Earn 100

What is the principal function of the eye-lens?

Important Questions on The Human Eye and The Colourful World

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 6 - The Human Eye and The Colourful World>Very Short Answer Type Questions>Q 16
Where does the greatest degree of refraction of light occur in the eye?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 6 - The Human Eye and The Colourful World>Very Short Answer Type Questions>Q 17
What changes the shape of lens in the eye?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 6 - The Human Eye and The Colourful World>Very Short Answer Type Questions>Q 18
What do the ciliary muscles do when you are focusing on a nearby object?   
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 6 - The Human Eye and The Colourful World>Very Short Answer Type Questions>Q 19

What is the least distance of distinct vision for a normal human eye?

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 6 - The Human Eye and The Colourful World>Very Short Answer Type Questions>Q 20
What is the far point of a normal human eye?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 6 - The Human Eye and The Colourful World>Very Short Answer Type Questions>Q 20

How many centimetres is the near point of a normal human eye?

(Write only the magnitude without units in the given box.)

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 6 - The Human Eye and The Colourful World>Very Short Answer Type Questions>Q 21

What is the range of vision of a normal human eye?

(Choose from zero to infinity/ 25 cm to infinity/ 40 cm to infinity)
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 6 - The Human Eye and The Colourful World>Very Short Answer Type Questions>Q 22

Name the part of our eyes which helps us to focus near and distant objects in quick succession.

(Choose from: Optic nerve/ Iris/ Ciliary muscles)