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A coin is placed at the bottom of a clear glass vessel. An observer movesherself to a position where the coin goes just out of sight of her eyes. Keepingher eyes in that position, she asks her friend to pour some water, graduallyinto the glass vessel.(a) What would she observe?(b) Name the phenomenon involved in this observation.(c) Draw a neat labelled diagram to justify your answer. |
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Answer» a)she OBSERVES that the coin gradually BECAME visible. b) REFRACTION |
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