Waves & Sound Flashcards
1
Q
Define wave front
A
A line or surface in the path of wave motion, on which all particles are oscillating in phase
2
Q
Define transverse wave
A
A wave in which the oscillations are perpendicular to the direction of the wave
3
Q
Define longitudinal wave
A
A wave in which the oscillations are parallel to the direction of the wave
4
Q
Define wave motion
A
The propagation of oscillatory movement or disturbance from one region to another
5
Q
Wave equation
A
v = frequency * wavelength
6
Q
Speed of sound in air
A
330m/s
7
Q
What does sound require?
A
A medium.
It can’t work in a vacuum
8
Q
Uses of ultrasound
A
To clean delicate machinery
To scan the womb
