Part A

A string of length $0\mathrm{.}740$ m is vibrating at $120$ Hz in its second harmonic and producing sound that moves at $340\frac{m}{s}.$

What is true about the frequency and wavelength of this sound?

Select all that apply.

The wavelength of the sound is $2\mathrm{.}83$ m

The wavelength of the sound is $0\mathrm{.}740$ m $.$

The frequency of the sound is $120$ Hz $.$

The frequency of the sound is $459$ Hz $.$

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