WorksheetsQUIZ: 10.1/10.2
Total questions: 20
Worksheet time: 12mins
Which of the following sound wave produces the highest pitch of sound?
Choose the correct statements. (2 answers)
P - The loudness increases
Q - The pitch decreases
R - The loudness decreases
S - The pitch increases
The ____________ of sound is the number of sound vibrations generated in a second.
amplitude
frequency
reflection
absorption
Diagram shows 3 types of sound waves generated from speaker. Which of the following statements is true?
P has a higher pitch than Q
Q has a higher pitch than R
R has the highest pitch
P, Q and R have the same pitch
What will happen when the sound of siren of the ambulance comes closer to the observer?
the pitch of sound increases
the loudness of the sound increases
The loudness of the sound decreases
The pitch of the sound decreases
If a musician plays a soft note, what is the characteristic that has been changed?
Loudness
Pitch of sound
Which waveform has the lowest frequency?
(a)
(b)
(c)
(d)
(e)
Choose true statements about the difference in the characteristics of the vibration of the voice box of men and women. (2 answers)
The voice box of women produces sound with higher frequency compared to the voice box of men.
The voice box of women produces sound with lower frequency compared to the voice box of men.
women's voice has a higher pitch
women's voice has a lower pitch
If the distance represented by the letter A (the amplitude) were increased, how would it change the sound?
The sound would be higher.
The sound would be softer.
The sound would be lower.
The sound would be louder.
Frequency is measured in the unit of
Ampere (A)
Hertz (Hz)
Mole (mol)
Meter (m)
What best describes the doppler effect?
An apparent change in frequency of a wave due to the relative motion between a wave source and an observer
An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.
The human ear can hear a minimum of ____Hz.
20 Hz
10 Hz
30 Hz
50 Hz
The human ear can hear up to ___________Hz
25.000 Hz
20.000 Hz
85.000 Hz
50.000 Hz
