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 person can see clearly objects only when they lie between 50 cm and 400 cm from
  2. A photon of energy 10.2 eV collide inelastically with hydrogen atom in ground state
  3. A boat taken 2h to travel 8km and back in still water.If the velocity of water 4 km/h
  4. The net electric force on a charge of +3μC at the mid-point on the line joining two
  5. A vibrating string of certain length l under a tension T resonates with a mode