Physics
Grade-8
Easy
Question
A wave is a ____ that penetrates through a medium.
- Force
- Work
- Disturbance
- All of the above
Hint:
The wave is a disturbance that penetrates through a medium.
The correct answer is: Disturbance
- The wave is a disturbance that penetrates through a medium.
- They can be of two types mechanical and non mechanical.
- Mechanical waves needs a material medium for propagation and it cause a relative motion between the particles of the medium.
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