MEDIUM
10th CBSE
IMPORTANT
Earn 100

What is hypermetropia? What are the probable causes of hypermetropia? How can it be corrected? Show with the help of ray diagrams.

Important Questions on The Human Eye and the Colourful World

MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>Practice Exercise 5A>Q 4
The far point of a person suffering from myopia is 4 m from the eyes. Find the power of the corrective lens (in D) he will have to use in order to see distant objects.
MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>Practice Exercise 5A>Q 5
An old person has near point 100 cm. Find the power of the corrective lens (in D) he will have to use.
MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>Practice Exercise 5A>Q 6
The near point of a defective eye is 75 cm from the eye. What is the power of the corrective lens (in D) which enables him to read a book kept at the least distance of distinct vision?
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>Practice Exercise 5A>Q 7
Write the function of the following part of the human eye:
Cornea
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>Practice Exercise 5A>Q 7
Write the function of the following part of the human eye:
Iris
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>Practice Exercise 5A>Q 7
Write the function of the following part of the human eye:
Crystalline lens
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>Practice Exercise 5A>Q 7
Write the function of the following part of the human eye:
Ciliary muscles
MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>Practice Exercise 5A>Q 8
Due to gradual weakening of ciliary muscles and diminishing flexibility of the eye lens, a certain defect of vision arises. Write the name of this defect. Name the type of lens used by such persons to improve the vision. Explain the structure and function of such a lens.