Question

Assertion: A coin, not visible before, becomes visible after some water is poured into the cup.

Reason: Light rays bend away from the normal as they move from water to air.​

Answer 1

Answer:

When water is poured then it is due to refraction of light taking place that the coin becomes visible. ... This means that light bends enough to make the penny appear to be invisible at certain angles.

Explanation:

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