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 small oil drop of mass 10⁻⁶kg is hanging in at rest between two plates seperated
  2. The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma
  3. A body of mass 1.0 kg is falling with an acceleration of 10 ms⁻².
  4. Two bubbles A and B (A>B) are joined through a narrow tube. Then
  5. In Young’s experiment, the ratio of maximum to minimum intensities of the fringe