YDSE: Film, Medium & Two Wavelengths
A ray of light from a monochromatic point source of light is incident at a point on the screen. If a thin mica film of thickness ' ' and refractive index ' ' is introduced in its path, then the optical path
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Answer: (d)
- In the film, path counts as optical path instead of .
- Increase in optical path
- So the answer is (d) is increased by .