Page 3 - HA-intoduction
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11. The focal length of the eye lens increases when eye muscles
(a) are relaxed and lens becomes thinner
(b) contract and lens becomes thicker
(c) are relaxed and lens becomes thicker
(d) contract and lens becomes thinner
12. The least distance of distinct vision for a normal eye is
(a) infinity
(b) 25 cm
(c) 2.5 cm
(d) 25 m
Subjective Questions:
13. what do you mean by power of accommodation?
14. What is least distance of distinct vision?
15.Define near point.
