Navigate

A thin film of soap solution (n=1.4) lies on the top of a glass plate (n=1.5).

A thin film of soap solution (n=1.4) lies on the top of a glass plate (n=1.5). When visible light is incident almost normal to the plate, two adjacent reflection maxima are observed at two wavelengths 420 and 630 nm. The minimum thickness of the soap solution is

Options

(a) 420 nm
(b) 450 nm
(c) 630 nm
(d) 1260 nm

Correct Answer:

450 nm

Explanation:

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

VITEEE2008
admin:

Related Questions

  1. A tuning fork vibrates with 2 beats in 0.04 second. The frequency of the fork is
  2. A ball of mass 2 kg and another of mass 4 kg are dropped together from
  3. In thermodynamics processes which of the following statements is not true?
  4. A block of mass m is placed on a smooth wedge of inclination θ
  5. A bimetallic strip consists of metals X and Y. It is mounted rigidly at the base as shown