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Striking a tuning fork harder makes the sound coming from the fork louder. This changes the _________ of the sinusoidal graph.

Question 1 options:

amplitude


decibels


period


frequency

1 Answer

3 votes

Answer:

Amplitude

Explanation:

Basically, when we talk about sound waves, we have certain properties to analyse, where each of them is responsible for a specific effect.

Specifically, in this case, louder sound belongs to bigger amplitude, because the amplitude can be defined as how far is a string from its equilibrium point. In case of a tuning fork, the bigger amplitudes represent a higher movement when it vibrates, which gives louder sounds.

Therefore, the right answer is amplitude.

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