Question

Loudspeaker A vibrates 200 times each second. Loudspeaker B vibrates 400 times each second. What is the frequency of the sound produced by loudspeaker A

Answer 1

Answer:

A frequency=0.005

Explanation:

frequency=1\time

f=1\200

Answer 2

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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