science
Grade-4-
Easy
Question
Sound waves are
- Longitudinal
- Transverse
- Partly longitudinal, partly transverse
- Sometimes longitudinal, sometimes transverse
Hint:
A wave consisting of periodic disturbances or oscillations occurring in the same direction as the wave propagation.
The correct answer is: Longitudinal
- Sound waves are longitudinal waves.
- Because their oscillations are parallel to the direction of the energy transfer.
- They form a region of compression and rarefaction.
- So, the correct option is a.
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