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. The mean free path of electrons in a metal is 4 x 10⁻⁸ m. The electric field
  2. A long straight wire carrying current of 30A is placed in an external uniform
  3. Two identical thin plano-convex glass lenses (refractive index 1.5) each having
  4. The horizontal range and maximum height attained by a projectile are R and H,respectively
  5. If a wire is stretched to four times its length, then the specific resistance