1
Q
what type of wave is sound , and what is that wave
A
a ) longitudinal waves
b ) a type of wave where the particles of the medium vibrate (oscillate) parallel to the direction of energy transfer
2
Q
what does sound waves show the area of ?
A
compression and rarefaction
3
Q
what does sound need to travel
A
particles
4
Q
what is the definition of oscillation
A
the movement of sound waves moving back and forth
5
Q
what is the speed of sound in air , liquid and solid ?
A
solid = 5000m/s
liquid = 1500 m/s
gas/ air = 340m/s
not exactly
6
Q
A
light and sound
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