MEDIUM
10th CBSE
IMPORTANT
Earn 100

Mention the function of ciliary muscles and iris of the human eye.

Important Questions on The Human Eye and The Colourful World

EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 7
Give reasons: “We cannot see our seats first when we enter a darkened cinema hall from bright light, but slowly they become visible”.
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 8
How the amount of light entering the eye is controlled?
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 9
Why our night vision is comparatively poor compared to the night vision of an owl?
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 10
What is the range of vision of a normal human eye?
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 1
Mention any two defects of eye which can be corrected by using spectacles.
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 2
Explain with the help of a ray diagram. How hypermetropia defect is corrected by the lens.
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 3
What is presbyopia?
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 4
Give any two causes of myopia defect.