Q.

Is it true that sound waves travel faster in the air than in water?


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is False.
As the particles are closer together in water than in air, sound travels faster in water, and the vibration energy is quickly transferred from one particle to the next. Because they are denser than those in water, sound particles in the air take longer to transfer energy from one particle to the next. In actuality, water conducts sound four times more quickly than air. Therefore, it is untrue that sound waves move more quickly through the air than through water.
The correct statement would be that sound waves travel faster in water than in air.
 
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