A coin kept at the bottom of a glass bowl full of water appears to be higher than it actually is. With the help of a labelled diagram, explain why this happens?
Diagram also......
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A coin kept at the bottom of a glass full of water appears to be higher than it actually is due to refraction of light. Refraction is a phenomenon in which light changes its path when it travels from one medium to the other. In this case, light bends when it travels from air to water
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