The radius of curvature of the convex face of a plano-convex lens is 12 cm

The radius of curvature of the convex face of a plano-convex lens is 12 cm and the refractive index of the material of the lens is 1.5. Then, the focal length of the lens is

Options

(a) 6 cm
(b) 12 cm
(c) 18 cm
(d) 24 cm

Correct Answer:

24 cm

Explanation:

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

admin:

Related Questions

  1. In an astronomical telescope in normal adjustment a straight black line of length
  2. Three unequal resistors in parallel are equivalent to a resistance 1 Ω.
  3. The original temperature of a black body is 727⁰C. The temperature at which this black
  4. If ∆Q>0 when heat flows into a system, ∆W>0 when work is done on the system
  5. 64 identical spheres of charge q and capacitance C each are combined to form a large