1
Q
which waves are the fastest?
light or sound?
A
light
2
Q
What type of waves are sound waves?
A
loungitudinal
3
Q
What part of the ear collects sounds?
A
pinna
4
Q
What is the diaphragm in a telephone most like?
A
the eardrum, because it vibrates
5
Q
What is the amplitude of a wave?
A
the maximum height of a wave.
6
Q
what is the wavelength of a wave?
A
The distance between the same two points on a wave
7
Q
what is the frequency of a wave?
A
The distance between the same two points on a wave
8
Q
In which does sound travel fastest?
A
solid
9
Q
above what frequency is ultrasound?
A
20 000 hz
10
Q
what do we use ultrasounds for?
A
taking unborn babies
Year 9 Physics revision
flashcards
Decks in class (8)
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