EXER CIS ES
1. The human eye can focus objects at different distances by adjusting the focal
length of the eye lens. This is due to
(a)presbyopia.
(b)accommodation.
(c)near-sightedness.
(d)far-sightedness.
EXER CIS ES
1. The human eye can focus objects at different distances by adjusting the focal
length of the eye lens. This is due to
(a)presbyopia.
(b)accommodation.
(c)near-sightedness.
(d)far-sightedness.
