Sound Flashcards
1
Q
Sound
A
Sound Is A Longitudinal Wave requiring a medium
Cannot be polarised
Sound travels at different speeds through different media travels faster in denser materials
Travels fatter in hot air than cold air
2
Q
Demonstration showing sound
A
3
Q
Properties of sound
A
Refelction ;Echoes
Refraction ;cold air : sound travels slower
Warm air ; sound travels faster
Diffraction ; sound spreads around corners and through gaps
Interference
4
Q
Demo to show sound is a wave motion
A
5
Q
Loudness of sound
A
Depends on the amplitude of the sound wave
6
Q
Pitch of sound
A
Depends on the frequency of the sound wave
7
Q
Quality
A
Depends on the overtones of the sound waves and fundamental frequency
8
Q
Resonance
A
9
Q
Demo of resonance
A
10
Q
A
