Navigate

Two lenses of power 15 D and -3 D are placed in contact.

Two lenses of power 15 D and -3 D are placed in contact. The focal length of the combinations is

Options

(a) 10 cm
(b) 15 cm
(c) 12 cm
(d) 8.33 cm

Correct Answer:

8.33 cm

Explanation:

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

KL2014
admin:

Related Questions

  1. If radius of earth’s orbit is made 1/4, the duration of a year will become
  2. A person can see clearly objects only when they lie between 50 cm and 400 cm from
  3. A pure semiconductor behaves slightly as a conductor at
  4. The conductivity in the intrinsic semiconductor does not depend on
  5. Two springs with spring constants K₁=1500 N/m and K₂=3000 N/m