Define the following:
Near point of the eye.

Important Questions on Human Eye and the Colorful World

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 5 - Human Eye and the Colorful World>EXERCISE>Q 3

Define far point of the eye.

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 5 - Human Eye and the Colorful World>EXERCISE>Q 3

Define the following:
The Least distance of distinct vision.

HARD

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 5 - Human Eye and the Colorful World>EXERCISE>Q 4

A convex lens made of glass forms a sharp image on the screen for a particular position of an object with respect to the lens. A human eye is also a convex lens but it can form sharp images on the retina of the eye for different positions of an object. Explain.

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 5 - Human Eye and the Colorful World>EXERCISE>Q 5

Predators like lions have their eyes at the front of their head while preys like deer have their eyes on the sides of their head. Why?

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 5 - Human Eye and the Colorful World>EXERCISE>Q 6

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

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 5 - Human Eye and the Colorful World>EXERCISE>Q 7

A person with a myopic eye cannot see objects beyond $1.5 \mathrm{m}$ from his eye. What type of lens should be used to correct his vision? Find its power.

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 5 - Human Eye and the Colorful World>EXERCISE>Q 8

The far point of a student suffering from myopia is $1.0 \mathrm{m}$ from his eye. Find the focal length and power of the corrective lens that will correct his vision.

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 5 - Human Eye and the Colorful World>EXERCISE>Q 9

The near point of an old man is $0.5 \mathrm{m}$ from his eye. What should be the focal length and power of the corrective lens that will correct his vision?