Physics
Grade-9
Easy
Question
Mechanical waves on the surface of a liquid are:
- Longitudinal
- Transverse
- Both transverse and longitudinal
- Torsional
Hint:
A surface wave is a combination of both transverse and longitudinal waves.
The correct answer is: Both transverse and longitudinal
In a surface wave, the motion of the constituent elements of the medium is both back and forth and up and down about their mean position. This means that particles oscillate both along and perpendicular to the direction of wave motion.
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