Question

For a normal eye , the cornea of eye provides a converging power of 40 D & the least converging power of the eye lens behind the cornea is 20 D . Using this information , the distance between the retina & the cornea-eye lens is can be estimated to be 1) 2.5 cm 2) 1.67 cm 3) 1.5 cm 4) 5 cm

Answer 1