Question

Interference in thin films due to transmitted light​

Answer 1

Answer:

interference occurs when the light passes through thin films, because in reflection and refraction of the light, some phase difference occurs between original light and refracted or reflected light. this leads to constructive or destructive interference

Answer 2

The condition for constructive interference 2Чd = nλ

• The light transmitted might interfere to provide a resultant intensity.
• The additional path from D is that the trail at intervals the film BC+CD
• If we have a tendency to tend to approximate the incidence to be nearly ancient (i=0)
• The points B and D unit of measurement really on the brink of 1 another.
• The additional distance cosmopolitan by the wave is roughly double thickness of the film, BC+CD = 2dAs this more path is traversed terribly very medium of index of refraction Ч
• The optical path distinction is δ = 2Чd

• The condition for constructive interference in transmitted ray is,
•        2Чd = nλ  

#SPJ3