Celtic Harp

Propagation of Waves

Slide 3

Diffraction

Interference

Resultant Wave

Constructive Interference

Constructive Interference

Destructive Interference

Destructive Interference

Video I-3

Constructive Interference – Waves

Destructive Interference –
Waves

Constructive Interference
(unequal amplitudes)

Destructive Interference
(unequal amplitudes)

Sound From Two Sources

Sound From Two Sources

Sound From Two Sources

Video II-5

Beats

Beats

Video II-6

Beat Frequency