Question

A coin kept at the bottom of glass bowl full of water appears to be higher than it actually is. With the help of labelled diagram, explain why this happens

Answer 1

Answer.....

This happens due to refraction of light. due to change in mediums it travels.


Hope it helps....

Answer 2

Due to the refraction of light, a coin kept at the bottom of a glass bowl full of water appears to be higher than it is.

The labelled diagram is given below in the attachment.

Explanation:

• The coin is not visible because rays AR and AS [Fig. 1] cannot reach the eye.  
• However, a ray of light, AB  passes from a denser medium into a rarer medium from the lower end of coin A at point B and gets refracted away from the normal in the direction BR'.
• Ray of light AD also gets refracted in DS's direction.
• Refracted rays BR' and DS' can reach the eye of the person, who sees the coin raised to A' (Fig. 2).
• Now the coin, which was not seen earlier, comes into view.
• In fig. 2. A' is the probable position of coin A, which seems to be raised due to the refraction of light.

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