Worksheetssound
Total questions: 20
Worksheet time: 30mins
The maximum displacement of the particle for a wave is called
Amplitude
Wavelength
Time Period
Velocity
If 120 waves are emitted in 1 minute, then the frequency of this source is?
5 Hz
6 Hz
2 Hz
4 Hz
Astronauts cannot hear each other on the moon because
Moon has no atmosphere
They are wearing helmets
Moon has less gravity compared to earth
None of these
Sound of frequency below …………… is called infrasonic sound.
100 Hz
200 Hz
20000 Hz
20 Hz
Sound travels through which medium?
Solids
Liquids
Gases
All of those
Sound is a form of energy produced by ______________.
Vibrations
Distances
Prisms
Forces
What is Pitch?
How loud or soft a sound is.
Muscle that holds vocal cords.
Movement back and forth.
How high or low a sound is.
The volume of a sound is measured in units called ________
decibels
hertz
frequency
amplitude
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
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
Frequency is measured in the unit of
Ampere (A)
Hertz (Hz)
Mole (mol)
Meter (m)
Loudness is measured in
(a)
This is the number of waves that pass by in a given period of time.
Frequency
Amplitude
Material through which a sound moves
Medium
Vacuum
