Question $2(5$ points$)$

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Which of the following instruments has standing waves that do not travel with the speed of sound in air?

Flute

Piano

Trumpet

Bassoon

Question $3(5$ points$)$

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In your apparatus, the successive overtones were related in which manner?

$"$n$"$ and $"$n$+1"$

$v=$ wavelength $*$ frequency

$)$

$"$n$"$ and $"$n$+2"$

Question $4(5$ points$)$

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What difference would it make if your tube was narrower?

No difference.

Because the diameter decreased the frequency would increase.

Because the diameter decreased the frequency would decrease.

The sound velocity would decrease.