2 Answers
1161If you posting a question and If there is no diagram, then try to type the question or if you are uploading the question as an image then make sure the image is of appropriate size and of good quality.
337The 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
