Explain kinetic and gravitational potential energy, rules for conservation of energy and relationship between these quantities as well as apply the knowledge gained for useful purposes.
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Q 1/15
Score 0
What does the vertical axis represent on a sound wave graph?
30
Displacement of air molecules
Wavelength
Time
Frequency
Q 2/15
Score 0
Which of the following best describes the amplitude of a sound wave?
30
The distance between two compressed regions of air
The maximum displacement from the equilibrium position
The time it takes for one complete oscillation
The number of oscillations per second
15 questions
Q.
What does the vertical axis represent on a sound wave graph?
1
30 sec
SC9.E.1
Q.
Which of the following best describes the amplitude of a sound wave?
2
30 sec
Q.
What happens to the sound when the amplitude of the wave increases?
3
30 sec
Q.
What is the period of a sound wave?
4
30 sec
Q.
How is frequency related to period?
5
30 sec
Q.
What are the units used to measure frequency?
6
30 sec
Q.
What is the frequency of an A note?
7
30 sec
Q.
What is the approximate lower limit of human hearing?
8
30 sec
Q.
What is the approximate upper limit of human hearing?
9
30 sec
Q.
How does the frequency of a sound relate to the pitch we perceive?
10
30 sec
Q.
What is the wavelength of a sound wave?
11
30 sec
Q.
On a displacement vs. position graph of a sound wave, what does the distance between peaks represent?
12
30 sec
Q.
Which of the following can hear frequencies higher than humans?
13
30 sec
Q.
What happens to air molecules in the compressed regions of a sound wave?
14
30 sec
Q.
How is a sound wave typically represented on an oscilloscope?
