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 upper half of an inclined plane of inclination θ is perfectly smooth while lower
  2. A DC ammeter has resistance 0.1Ω and its current ranges 0-100A. If the range
  3. The unit of permitivity of free space, ε₀ is
  4. A car sounding a horn of frequency 100 Hz passes an observer. The ratio
  5. Two capacitors having capacitances C₁ and C₂ are charged with 120V and 200V batteries