Question

Rakesh’s grandfather holds the newspaper a little away from his eyes while reading it, so

that he can see it clearly.

a. Name the defect of vision from which he is suffering?

b. State one likely cause of his eye defect.

c. How can it be corrected?​

Answer 1

Explanation:Rakesh’s grandfather holds the newspaper a little away from his eyes while reading it, so that he can see it clearly.a. the defect of vision he is suffering from the Hypermetropia defect. The Ray diagram to illustrate the hypermetropic eye defect is as follows:The two possible causes of hypermetropia are: 1. The focal length of the eye lens is too long. 2. Shortening of eye ball. It can be corrected by convex lens of suitable power. b. We see advertisements for eye donation on television or in newspapers. Write the importance of such advertisements

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Answer 2

Answer:

A} Hypermetropia

B} The eyeball getting shortened

C} Convex