EASY
8th CBSE
IMPORTANT
Earn 100

Which eye defect can be corrected by using a concave lens of suitable focal length?

63.16% studentsanswered this correctly

Important Questions on Refraction of Light

EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Exercises>Q A
Which eye defect can be corrected by using a convex lens of suitable focal length?
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Exercises>Q A
Which of these causes damage to the optic nerve?
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Exercises>Q B
Dispersion occurs due to the _____ of light when it passes from air to glass.
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Exercises>Q B
The _____ nerve carries the impression on the retina to the brain.
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Exercises>Q B
Blindness from birth is known as _____ blindness.
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Exercises>Q B
_____ is a condition in which the eye lens becomes opaque.
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Exercises>Q C
An object that is opaque is called an optical medium.
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 17 - Refraction of Light>Exercises>Q C
Light travels with the same speed in all optical media.