The focal length of the eye lens increases when eye muscles [NCERT Exemplar Problems]
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
Answer:A
The focal length of the eye lens increases when eye muscles [NCERT Exemplar Problems]
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