Question

A child while playing with his father's spectacles burnt a hole in a piece of them tissue paper by focusing the image of sun on at.

(a) Name the defect of vision his father is suffering from
(b) List 2 causes of the defect.
(c) Draw a ray diagram to show how this defect may be corrected using a suitable lens.

Answer 1

• Myopia is the defect.

• This defects occur from birth or due to injury,viewing excess of electronic gadgets or aging.