In the Spongebob Squarepants episode “Slide Whistle Stooges,” the character Squi

Question

In the Spongebob Squarepants episode “Slide Whistle Stooges,” the character Squidward is chased by a mob after annoying everyone with a slide whistle. The slide whistle is a tube containing a movable piston or plunger that slides within the tube’s length. Moving the piston changes the pitch of the tone produced when you blow air into the tube. What statement best summarizes the principle by which a slide whistle operates?
A) The length of a tube has no relationship to the frequencies that will resonate in it.
B) Resonating frequencies are not related to tube length.
C) The length of a tube is related to the frequencies that will resonate in it.
D) Without a movable piston, frequencies cannot resonate in a tube regardless of its length.

Explanation / Answer

C) The length of a tube is related to the frequencies that will resonate in it.

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