Question

.A coin is placed at the bottom of of a clear glass vessel an observer moves herself to a
position where the coin just goes out of sight of her eyes. Keeping her eyes in that position
she asked her friends to pour some water gradually into 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.

Answer 1

Answer:

A) She observes that the coin gradually becomes visible.

B) Refraction.

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