Physics
Grade-8
Easy
Question
Which of the following is not a consequence of longitudinal waves propagating through a medium?
- Pressure variations
- Density variations
- Compressions and rarefactions
- None of the above
Hint:
Compression and rarefaction are created when sound waves propagate.
The correct answer is: None of the above
- The longitudinal waves are called pressure waves.
- Because the propagation of longitudinal waves through a medium involves changes in pressure and density(in the form of compression and rarefaction).
- Compression is the region of greatest density and high pressure and rarefaction is the region of lowest density and low pressure.
- So, the correct option is d.
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