Seismic waves are mechanical waves.
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Sound waves are mechanical vibrations that physically move the material through which they travel.
Sound waves are not electromagnetic waves.
No. They are two different types of waves.
Mechanical waves require a medium, such as air, to travel through. Electromagnetic waves do not need a medium to travel through.
Seismic waves are mechanical waves.
Hint: They cause the Earth to quake and shake, which
no light can ever do no matter how bright it is.
Mechanical wave needs a medium to travel. Examples :- Sound Wave, Seismic Wave etc.
mechanical waves need a medium to travel through, electromagnetic waves do not. Electromagnetic waves can travel through space, mechanical waves can not.:PElectromagnetic waves do not require a medium, but mechanical waves do.
An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.
Sound waves requires a medium, electromagnetic waves do not. Sound waves are longitudinal waves, electromagnetic waves are transverse waves. Sound waves Travels at approx. 330m/s in air, electromagnetic waves travel at approx. 3 x 10^8 m/s.
80 HZ is the frequency of a wave varying at 80 times per second. It could be an acoustic wave (sound), or an electromagnetic wave. (radio or power line)