When objects at different distances are seen by the eye which of the following remains constant?
A. focal length of eye-lens
B. object distance from eye-lens
C. the radii of curvature of eye-lens
D. image distance from eye-lens
Answer:D
When objects at different distances are seen by the eye which of the following remains constant?
A. focal length of eye-lens B. object distance from eye-lens C. the radii of curvature of eye-lens D. image distance from eye-lens