One sound is loud and another is quieter. What must be different about these two sound waves?

1 answer:

3 0

Loudness of the sound depends on the "Amplitude" as loudness is different for two waves, their Amplitude must be different

In short, Your Answer would be "Amplitude"

Hope this helps!

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<h3>Further explanation</h3>

Given

Rate law-r₁ = k [NO]²[H2]

Required

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$\large{\boxed{\boxed{\bold{v~=~-\frac{\Delta A}{\Delta t}}}}$