A bird sitting on a tree is exactly 100m away from me.

It sings a pure note of 480Hz. If the speed of sound in

the air is 343m/s, what is the wavelength of the bird’s

song?

Klebb plays a one octave A major scale on the piano,

ending and beginning on two As one octave apart.

How many notes were played on the black keys?

Two waves with frequencies 420 Hz and 424 Hz inter-

fere. What is the beat frequency between them?

The “pitch” of a note can be measured of which phys-

ical property of a wave?

A string that is 18 cm long is plucked so that a standing

wave forms. The string then vibrates at its fundamen-

tal frequency. What is the wavelength of the standing

wave?

Using the Hornbostel-Sachs classification system,

woodwind instruments are generally characterized as

what type of instrument?

What interval is shown below?

Allen has a pair of noise-cancelling earbuds. Which

of the following concepts or phenomena is behind the

noise-cancelling effect?

Sound waves are best modeled with what type of

wave?

What is the purpose of a cello’s bridge?

Which of the following keys might the key signature

below denote?

A student wants to design a soundproof room to prac-

tice her piano in. Which of the following materials

should she choose to maximize the sound absorption?

Two tuning forks A and B are placed 20cm apart and

are not touching. Christina strikes the tuning fork A

and silences it, but a sound can still be heard from

B, despite it having never been touched. Which of

the following phenomena can be used to explain this

occurrence?

Which of the following is the name of the smallest

bone in the human ear?

What does the tempo marking “Pi`u Mosso” mean?