Question
Question: An under-water swimmer cannot see very clearly even in absolutely clear water because of...
An under-water swimmer cannot see very clearly even in absolutely clear water because of
A
Absorption of light in water
B
Scattering of light in water
C
Reduction of speed of light in water
D
Change in the focal length of eye lens
Answer
Change in the focal length of eye lens
Explanation
Solution
: The eye lens is surrounded by a different medium than air. This will change the focal length of the eye lens. The eye cannot accommodate all images as it would do in air.