Question

what is miopia?
state the two causes of myopia with the help of ray diagram ​

Answer 1

ℏḙʏ ժḙᾰԻ

✍️Myopia is the defect of the eye vision due to which a person can see the near by objects clearly but cannot see the far objects so distinctly.

✍️ḉᾰṳṧḙṧ :-

1) elongation of the eyeball.

2)due to decrease in the focal length of the eye lens.

Answer 2

Answer:

Myopia can be corrected by using a concave lens of suitable focal length in the spectacles of such a person.

Causes of myopia:

Myopia is caused:—due to the elongation of the eyeball. —due to decrease in the focal length of the eye lens.