Q.

Is it true that wave motion transfer energy without matter?


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a

True

b

False 

answer is A.

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Detailed Solution

The given statement is true.
During a wave motion, only energy is transferred; no matter is transferred through the medium. Only vibrations, not air, travel; this is due to the fact that waves transfer energy rather than mass. A wave in the ocean, for example, does not move water particles from one location to another; rather, the particles move up and down perpendicular to (or at a right angle to) the movement of the horizontal wave. This occurs when energy is converted from potential or stored energy to kinetic or movement energy and back to potential energy.
 
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