The human eye can be regarded as a single spherical refracting surface of curvature of cornea 7.8 mm. If a parallel beam of light comes to focus 3.075 cm behind the refractive surface, the refractive index of the eye is...
a) 1.34
b) 1
c) 1.5
d) 1.33
Sayan Sinha Was this your question?
Upvote·0· Reply ·2013-06-12 10:34:46