What is frequency, period and amplitude?
Frequency (f)= the amount of vibration an object makes in 1 second
Period (T)= the amount of time needed in 1 full vibration
Amplitude = the distance between the maximum position of the vibration and the stable/balanced position of a vibration.
SI unit for frequency = Hz (Hertz)
SI unit for period = s (seconds)
Frequency = n/t
-----> T= 1/f or f = 1/t
Period = t/n
Questions:
1. What is the frequency of......
a) 1 second -> 54 vibration?
Answer = 54 ÷ 1 = 54 Hz
b) 5 seconds -> 25 vibration?
Answer = 25 ÷ 5 = 5 Hz
2. What is the period of.......
a) 1 vibration -> 12 seconds?
Answer = 12 ÷ 1 = 12 seconds
b) 5 vibration -> 50 seconds?
Answer = 50 ÷ 5 = 10 seconds
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