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sanjit

· started a discussion

· 1 Months ago

Repeat (Question: 147874.0 )

Don't repeat the questions

Question:

Due to which of the following reason can we hear sounds at abnormally long distances over calm water on quiet days?

Options:
A) Refraction of sound waves
B) Reflection of sound waves
C) Both of the above
D) None of these
Solution:
The reason is that the water cools the air above its surface, which then slows down the sound waves near the surface. This causes refraction or bending of the sound wave, such that more sound travels over water. Sound waves skimming the surface of the water can add to the amplification effect, if the water is calm.  

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· 1 Months ago

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