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. Light is emitted when
  2. When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
  3. Charge q is uniformly spread on a thin ring of radius R. The ring rotates
  4. The equivalent resistance of two resistors connected in series is 6 Ω
  5. In a coil having e.m.f. of 8 V induced for 0.05 s. The value of current changes