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Physics, 10.12.2020 16:00 nnamdi

Nico vibrates an object at different frequencies. At a certain frequency, the sound gets louder and then returns to the same volume when he moves to the next frequency. What is occurring when the sound gets louder?

The natural frequency of the object is changing.
The amplitude of the wave is doubling.
A standing wave is being generated.
Pitch is producing the louder sound.

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Nico vibrates an object at different frequencies. At a certain frequency, the sound gets louder and...
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