Why does its shape and size change when a coin is put in a glass of water?
Answers
Answer:
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It happens due to the, phenomenon of refraction of light.
Step-by-step explanation:
It happens due to the, phenomenon of refraction of light.
The point from which the refracted rays appear to come gives the apparent position of the coin. As the rays appear to come from a point above the coin, therefore, the coin seems to be raised.
Since air has an index of refraction of essentially 1 and water has an index of refraction of 1.33 the angle from which the rays of light reach your eyes is larger than the angle they would in air. This makes the angular size larger to your eyes which makes the object look larger relative to how they would look in air
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