Question

A coin kept at the bottom of an empty dry cup, appears to rise up when some water is poured into the cup true or false​

Answer 1

Answer:

True

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Answer 2

Answer:

A coin placed at the bottom of a tank appears to be raised when water is poured into it. Explain. It happens due to the, phenomenon of refraction of light. ... As the rays appear to come from a point above the coin, therefore, the coin seems io be raised.

Explanation:

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