A person has a minimum distance of distinct vision as 50 cm. The power of lenses

A person has a minimum distance of distinct vision as 50 cm. The power of lenses required to read a book at a distance of 25 cm is

Options

(a) 3 D
(b) 1 D
(c) 2 D
(d) 4 D

Correct Answer:

2 D

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. A body of mass 1.0 kg is falling with an acceleration of 10 ms⁻².
  2. Suppose the kinetic energy of a body oscillating with amplitude A and at a distance
  3. A round disc of moment of inertia i₂ about its axis perpendicular to its plane
  4. A monoatomic gas is suddenly compressed to (1/8)th of its initial volume adiabatically.
  5. A spring when stretched by 2mm containing energy 4 J. If it is stretched