cse • paper_1 • waves_oscillationscse-2001-subject-02-005
Laser light — UPSC CSE 2001 Physics PYQ
Buy PYQ Solution Manual →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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