Navigate

A person cannot see the objects clearly placed at a distance more than 40 cm

A person cannot see the objects clearly placed at a distance more than 40 cm. He is advised to use a lens of power

Options

(a) -2.5 D
(b) 2.5 D
(c) -6.25 D
(d) 1.5 D

Correct Answer:

-2.5 D

Explanation:

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

MP2003
admin:

Related Questions

  1. On bombarding U²³⁵ by slow neutron, 200 MeV energy is released. If the power output
  2. The value of workdone for rotating a magnet of magnetic moment M by an angle θ in external
  3. If wavelength of a wave is λ=6000 Å, then wave number will be
  4. The magnetic moment has dimensions of
  5. If r be the distance of a point on the axis of a magnetic dipole from its centre