Question

The far point of a person’s eye reduces to 4 m. The defect could be corrected if he wears a lens of power

Answer 1

Answer:

zkz

Explanation:

the far point of a person eye reduce =4m

the defect could be corrected if he wears a lens of power 6

Answer 2

Answer:

The focal length of the lense should be 0.25D

Explanation:

1/4