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Q.

Is it true that he will hear the sound of scratching quite loudly which shows that sound can propagate through solids when a student presses his ear on one side of a wooden table and asks his friend to scratch the other end of the table?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
A sound is basically a sequence which can propagate through a compressible medium like water or air or any solids. As molecules in the solids are very close to each other than any other form of matter, this allows sound waves to travel rapidly. In fact, sound travels fastest through the solids.
  
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