Loudspeaker A vibrates 200 times each second. Loudspeaker B vibrates
400 times each second.
a What is the frequency of the sound produced by loudspeaker A?
Give the value and the unit.
Answers
Given : Loudspeaker A vibrates 200 times each second. Loudspeaker B vibrates 400 times each second.
To Find : What is the frequency of the sound produced by loudspeaker A?
Solution:
Frequency is the number of occurrences of per unit of time.
Unit of Frequency is Hertz (Hz) , one cycle per second
Loudspeaker A vibrates 200 times each second.
Hence 200 occurrences per second
Hence Frequency of loudspeaker A = 200 Hz
Loudspeaker B vibrates 200 times each second.
Hence 400 occurrences per second
Hence Frequency of loudspeaker B = 400 Hz
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