

A-Level Physics: Sound Waves and Experiments
Interactive Video
•
Physics
•
11th - 12th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the frequency of the sound emitted by the loudspeaker in the problem?
1.5 kHz
2.0 kHz
2.5 kHz
1.7 kHz
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a longitudinal wave, what is the displacement of particles at a compression point?
Positive
Zero
Maximum
Negative
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the wavelength calculated using the speed of sound and frequency?
Speed of sound divided by frequency
Speed of sound multiplied by frequency
Frequency divided by speed of sound
Frequency multiplied by speed of sound
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What formula is used to calculate the maximum speed of oscillating particles?
v = omega / a
v = a * omega^2
v = a / omega
v = omega * a
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of the calculated maximum speed of oscillating particles?
m/s
mm/s
km/h
cm/s
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molar mass of air used in the RMS speed calculation?
3.1 * 10^-2 kg/mol
2.9 * 10^-2 kg/mol
3.0 * 10^-2 kg/mol
2.8 * 10^-2 kg/mol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the calculated RMS speed of air molecules in the room?
400 m/s
700 m/s
600 m/s
500 m/s
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