Q.

Is it true that sound can travel in a vacuum like light?


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a

True

b

False  

answer is B.

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Detailed Solution

The above statement is false.
Light can travel through a vacuum since it does not need any medium for propagation. However, in the case of sound waves, these waves need a physical medium to travel because energy is transferred from one particle to another in the form of vibrations. Therefore, sound waves cannot travel in a vacuum like light travels.
The correct statement is that sound cannot travel in a vacuum like light.
 
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