P1.2.3 - Loudness and Pitch
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Which wave has a biggest amplitude? A or B?
Wave A
What are the units of frequency?
Hertz (Hz) or Kilohert (KHz)
A quiet sound has a small…
amplitude
The _________ of a wave will decide the pitch.
frequency
1 KHz = how many Hertz?
1 KHz = 1000 Hz
What is meant by the pitch of a sound?
How high or low its note sounds
Frequencies above 20000 Hz are called…
ultrasound
Which wave would sound low pitched? A or B?
Wave B
A high frequency results in what type of sound?
A high pitched sound
Which wave has the smallest amplitude? A or B?
Wave B
Which sound would be louder? A or B?
Wave A
A loud sound has a big ___________
amplitude
Which wave would sound high pitched? A or B?
Wave A
What do we call the range of frquencies that you can hear?
Audible range
How do we calculate the range?
Biggest value - smallest value = range
Which wave has the highest frequency A or B?
Wave A
Which wave has the lowest frequency? A or B?
Wave B
Frequencies below 20 Hz are called…
infrasound
A low frequency wave results in a…
low pitched sound
What range of frequencies can humans hear?
20-20000 Hz
The pitch of a sound depends on the _________ of its wave.
frequency