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Harmonics

Authored by Steve Ogden

Physics

9th - 12th Grade

Used 11+ times

Harmonics
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A vibrating air column in a cylindrical pipe open on both ends is capable of producing

all frequencies.

only even-numbered harmonics.

only odd-numbered harmonics.

all harmonics.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The lowest frequency of vibration of a plucked string is the string’s _______________ frequency.

overtone

timbre

second harmonic

fundamental

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An air column in a pipe vibrates at a fundamental pitch of 680 Hz. If the length of the pipe were doubled, the fundamental pitch would be

170 Hz.

340 Hz.

1360 Hz.

2720 Hz.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many nodes are present in a string vibrating at its fundamental frequency?

0

1

2

3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the first harmonic of a vibrating string has a frequency of 812 Hz, the second and third harmonics will have frequencies of _______________, respectively.

1218 Hz and 1624 Hz

1218 Hz and 2030 Hz

1624 Hz and 2436 Hz

1624 Hz and 3248 Hz

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What length of guitar string would vibrate at a fundamental frequency of 1250 Hz if the string is stretched so that the velocity of waves on the string is 488 m/s?

19.5 cm

39.0 cm

1.28 cm

256 cm

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A term for the quality of sound that gives each different musical instrument a unique sound is

pitch.

overtone.

fundamental.

timbre.

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