cse • paper_1 • waves_oscillations
[UPSC CSE 2001] Polarisation and Modern Optics (Q437, 20M)
A parallel laser beam is incident perpendicularly on a photographic plate. An object is placed at a distance a in front of the photographic plate. Discuss the recording from the plate. If the plate is illuminated by the same light, what is expected and why?
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