Question

it appear broken? What is the reason for this?
Let us try another activity.
hat is the
The reappearing coin
Place a coin on a plate kept on a table.
Ask your friend to walk backwards,
looking at the coin.
Ask him to stop at the position when
the coin disappears from sight.
Pour water in small quantities into the
plate.
Can your friend see the coin again?
What is the reason for the reappearance of
the coin?
​

Answer 1

Answer:

Because of refraction.

The light always travel in a path which needs shortest possible time to cover.

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