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WorksheetsWaves and Sounds
Total questions: 20
Worksheet time: 20mins
A wave machine generated waves with a wavelength of 0.080 m at a constant wave speed of 17 m/s. Calculate the frequency of the waves.
212 Hz
1.36 Hz
0.00470 Hz
16.92 Hz
1.36
The speed of sound in air is 340 m/s. The frequency of the sound waves generated by my voice is 720 Hz. Calculate the wavelength of sound of my voice.
380 m
0.472 m
2.11 m
244,800
none of these are correct
A sound wave has a wavelength of 200 m and a frequency of 6 Hz. What is its speed?
1200 m/s
12,280 m/s
0.0031 m/s
1993.8 m/s
none of these are correct
Which wave has the highest frequency?
A
B
C
None (same frequency)
none of these are correct
Waves that have vibrations that move perpendicular to the direction the wave are called:
Electromagnetic Spectrum
Transverse Waves
Medium
Light Waves
Tuning fork ‘A’ has a frequency of 256 Hz.
A student strikes Tuning fork 'A' and Tuning fork 'B' with a mallet and they hear 4 beats every 2 seconds. What are the two possible frequencies for Tuning fork 'B'?
260 Hz and 252 Hz
258 Hz and 254 Hz
264 Hz and 248 Hz
256.5 Hz and 255.5 Hz
What is "Beats"?
The regular pulsing of pitch of a sound which is heard when 2 sources produce sounds of slightly different frequency.
The regular pulsing of loudness of a sound which is heard when 2 sources produce sounds of slightly different frequency.
The regular pulsing of a sound giving a characteristic tone / timbre which is heard when 2 sources produce sounds of slightly different frequency.
The regular pulsing of loudness of a sound which is heard when 2 sources produce sounds of the same frequency.
Calculate the beat frequency if a 400 Hz and a 397 Hz sound are heard by Quinn.
1 Hz
2 Hz
3 Hz
4 Hz
If someone is standing to the left of this wave, they would hear a ______ pitch than someone standing to the right of it.
uglier
prettier
higher
lower
If you are standing in front of this car, the wavelengths nearest you would have a _______ frequency
quieter
louder
higher
lower
Which BEST describes this sound?
Starts low pitch and quiet and gets higher pitch and loud
Starts high pitch and quiet and get lower pitch and loud
Starts low pitch and loud and gets higher pitch and quiet
Starts low pitch and quiet and gets higher pitch
Of the 4 waves, which is low pitch and quiet?
red
yellow
green
blue
