MEDIUM
10th CBSE
IMPORTANT
Earn 100

What happens when you walk from a dark room into the sunlight and again back into the darkroom?

Important Questions on The Human Eye and The Colourful World

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 6
Mention the function of ciliary muscles and iris of the 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 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?