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What does a sound wave’s frequency tell you?
a - the number of vibrations per second an object is making
b - the loudness or softness of the sound from an object
c - the amplitude of the sound wave
d - the type of medium in which the sound is traveling

Respuesta :

Answer:

The number of vibrations per second an object is making

Explanation:

We need to find the correct option for a sound wave’s frequency.

Frequency is the number of vibrations per second an object is making. It can be calculated as total no. of vibrations divided by time taken.

Its SI unit is Hertz and it is denoted by Hz.

Hence, the correct option is (a).

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