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WorksheetsHW - Mechanical Wave and Sound
Total questions: 23
Worksheet time: 29mins
The average speed of sound in room temperature is approximately
343 m/s
434 m/s
331 m/s
325 m/s
People can normally hear from about ____ up to about ____
20 Hz
10,000 Hz
20 Hz
20,000 Hz
100 Hz
16,000 Hz
0 Hz
20,000 Hz
What type of interference always causes the resultant wave to be larger?
Constructive Interference
Destructive Interference
Different Amplitude Interference
Multiple Wave Interference
The number of waves passing a point per second is known as the
frequency
amplitude
wavelength
period
This occurs when a wave bounces off of a boundary or object.
diffraction
reflection
refraction
absorption
This happens when a wave bends around an object or through a narrow opening.
reflection
absorption
diffraction
refraction
What can you tell about this object's motion from this illustration?
Slowing down
Standing still
Moving to the left
Moving to the right
In the diagram which letters represent the nodes
A B C
A C E
B D
B D E
A C D
The moving black dot is called:
a node
an antinode
an anti-amplitude
the wavelength
Identify - C
crest
trough
wavelength
amplitude
Identify - D
crest
trough
wavelength
amplitude
The wavelength of a sound wave is 20m. The frequency is 5 Hz. What is the wave speed?
4 m/s
100 m/s
25 m/s
15 m/s
Which sound wave shows the sound with the highest pitch?
Label the parts of the wave.
Period
Wave height
Wavelength
Amplitude
Crest
Trough
Which letter would represent a wave's wavelength?
A
B
A & B
Not enough information given
