Question

a student is unable to view the alphabets clearly in a book .explain
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Answer 1

Answer:

The boy who can't see written on the board is suffering from Myopia.

The causes which cause Myopia are

• Due to the high converging power of the eye lens.

• Due to Being Eye ball to long .

It can be corrected by using a concave lens .

Because concave lens reduces the high converfing power of lens because it is a diverging lens .

By using yhe concave lens the image is form on the Retina .

Hope it helps ☺

Thanks