science
Grade-4-
Easy
Question
Match the following with the correct response
- 1-B, 2-D, 3-A, 4-C
- 1-A, 2-C, 3-B, 4-D
- 1-D, 2-A, 3-C, 4-B
- 1-C, 2-B, 3-D, 4-A
Hint:
The mechanical waves require a strong material medium that travels as a disturbance. The sound waves travel as oscillations which is a forth and back motion of them.
The correct answer is: 1-D, 2-A, 3-C, 4-B
- The waves are the disturbance that travels in a medium.
- The mechanical waves travel through a material medium as it requires a strong medium to travel.
- The particles vibrate perpendicular to the transverse direction of the waves.
- The oscillatory motion is the forth and back motion of the waves.
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