MEDIUM
10th CBSE
IMPORTANT
Earn 100

With the help of a labelled diagram, show how myopia can be corrected. What type of lens is used to correct this defect?

Important Questions on Human Eye and the Colorful World

EASY
10th CBSE
IMPORTANT
A person with a myopic eye cannot see objects beyond 1.5 m from his eye. What type of lens should be used to correct his vision? Find its power.
EASY
10th CBSE
IMPORTANT
The far point of a student suffering from myopia is 1.0 m from his eye. Find the focal length and power of the corrective lens that will correct his vision.
MEDIUM
10th CBSE
IMPORTANT
The near point of an old man is 0.5 m from his eye. What should be the focal length and power of the corrective lens that will correct his vision?
MEDIUM
10th CBSE
IMPORTANT
Differentiate between myopia and hypermetropia.
EASY
10th CBSE
IMPORTANT
What is presbyopia? Why is it caused and how can it be corrected?
EASY
10th CBSE
IMPORTANT
Name the type of lens required to see nearby as well as distant objects clearly in a defective eye suffering from both myopia and presbyopia. Give reasons.
EASY
10th CBSE
IMPORTANT
How is cataract caused? What is done to restore the vision of a person suffering from cataract?
HARD
10th CBSE
IMPORTANT
Write different parts of the eye and explain their functions. Also, explain how an image of an object is formed on the retina of the eye.