Definition 3 Flashcards
1
Q
Phase
A
When the crests and troughs of two waves are aligned
2
Q
Phase difference
A
When the crest and troughs of town waves are not aligned
3
Q
Anti- phase
A
When a crest a trough of two waves are aligned
4
Q
Spherical wave
A
When a wave from a point source is spread out equally in all direction
5
Q
Refraction
A
The change in direction of the wave due to a change in speed
6
Q
Dopplar effect
A
The frequency change due to a relative motion between a source of sound or light and an observer
