Navigate

For the normal eye, the cornea of eye provides a converging power of 40D

For the normal eye, the cornea of eye provides a converging power of 40D and the least converging power of the eye lens behind the cornea is 20D. Using this information, the distance between the retina and the eye lens of the eye can be estimated to be:

Options

(a) 2.5 cm
(b) 1.67 cm
(c) 1.5 cm
(d) 5 cm

Correct Answer:

2.5 cm

Explanation:

1/f = 1/v – 1/u
= 1/ 1 / 40 = 1/u
u = 1/40 m = 2.5 m

NEET2013
admin:

Related Questions

  1. Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 x 10⁻² C
  2. One mole of an ideal diatomic gas undergoes a transition from A to B along a path
  3. Two point charge +9e and +e are at 16 cm away from each other.
  4. An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm from
  5. A heavy stone hanging from a massless string of length 15 m is projected