Human eye can focus objects at different distances by adjusting the focal length of the eye-lens. This is due to
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
The change in focal length of an eye lens to focus the image of objects at varying distances is done by the action of ________.