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 body of mass 0.25 kg is projected with muzzle velocity 100 m/s from a tank
  2. The molar specific heat at constant pressure of an ideal gas is (7/2)R. The ratio
  3. The mass of a ⁷₃ Li nucleus is 0.042 u less than the sum of the masses of all its nucleons
  4. Potentiometer measures the potential difference more accurately than a voltmeter
  5. A particle executing simple harmonic motion of amplitude 5 cm has maximum