Question
Physics Question on Ray optics and optical instruments
For a normal eye, the cornea of eye provides a converging power of 40 D and the least converging power of the eye lens behind the comes is 20 D. Using this information, the distance between the retina and the comea-eye lens can be estimated to be
A
5 cm
B
2.5 cm
C
1.67 cm
D
1.5 cm
Answer
1.67 cm
Explanation
Solution
The correct option is (C): 1.67 cm