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WorksheetsSound
Total questions: 26
Worksheet time: 18mins
The region of a longitudinal wave where particles are APART.
Compression
Rarefaction
Crest
Trough
The maximum displacement of a particle of the medium on either sides of its mean position.
Amplitude
Frequency
Wavelength
Time period
________ describes how LOUD a sound is.
Amplitude
Frequency
Pitch
wavelength
____________ is determined by the frequency of a sound wave.
Compression
Pitch
Amplitude
Wavelength
_______ is the number of waves that pass a certain point at an specific time.
Frequency
Pitch
Amplitude
Wavelength
Sound waves travel faster through ________ media, like water or steel.
Dense
Light
Transparent
opaque
If you had to make some headphones to isolate sound, which material would you use?
Soft, because they absorb sound.
Hard, because they reflect sound.
Shiny, because they reflect sound.
Transparent, because they transmit sound.
________ is a reflected sound.
Vibration
Echo
Pitch
Volume
__________ is the loudness or softness of a sound.
Echo
Amplitude
Pitch
Vibration
Sound is a form of energy produced by ______________ of particles.
vibrations
distances
prisms
disturbance
Sound waves travel the FASTEST through _____________.
gases
liquids
solids
All of them
A sound with a low frequency and low amplitude would be....
Loud with a high pitch
Loud with a low pitch
Quiet with a high pitch
Quiet with a low pitch
We measure frequency in ______________ .
hertz
Decibels
meter
per second
The loudness of sound is measured in...
Decimals
Decibels
sq. metre
Amplitude squared.
What type of a wave is sound wave?
longitudinal
transverse
electromagnetic
sea wave
In which medium sound can't travel?
solid
liquid
gas
vacuum
There are four waveforms with different amplitudes and wavelengths given in the picture. Which sound wave is the loudest?
A
B
C
D
Find the ratio of loudness and pitch of the following waves.
Wave A – amplitude 1 mm, frequency 255 Hz, wave form-monotone
Wave B – amplitude 2 cm, frequency 450 Hz, wave form-monotone
1:20 and 17:30
1:400 and 17:30
1:400 and 255:450
17:30 and 1:20
Find the ratio of loudness and pitch of the following waves.
Wave A – amplitude 10 cm, frequency 455 Hz
Wave B – amplitude 1 m, frequency 412 Hz
1:100 and 455:412
1:100 and 455:412
1:100
10:1 and 455:412
Find the ratio of loudness.
Wave A – amplitude 0.5 m, frequency 305 Hz
Wave B – amplitude 100 cm, frequency 520 Hz
1:2
2500:1
1:4
0.25:1
1. How is the sound produced?
The safe limit of the level of sound for hearing is:
1 kHz
0 to 10 dB
0 to 80 dB
30 to 120 dB
What are the factors affecting the loudness of sound?
