Smile and wave, boys, smile and wave
"Sounds" like a good category
Picture this
Easy, don't waste your time
Calculations
100
The wavelength of the wave in the diagram below is ____ m. 
0.080 m
100
Which one of the following CANNOT transmit sound?
a. Liquid air
b. Gaseous oxygen
c. Liquid water
d. Solid steel
e. Perfect vacuum
e. Perfect vacuum
100
A periodic and repeating disturbance in a lake creates waves which emanate outward from its source to produce circular wave patterns. If the frequency of the source is 2.00 Hz and the wave speed is 5.00m/s then the distance between adjacent wave crests is ___ meter.
2.50 m
200
If the particles of the medium are vibrating to and fro in the same direction of energy transport, then the wave is a ____ wave.
longitudinal
200
The main factor which effects the speed of a sound wave is the ____
properties of the medium (temperature & density)
200
Consider the diagram below of several circular waves created at various times and locations. The diagram illustrates ____.
The Doppler effect
200
The SI unit for frequency is hertz.
a. True
b. False
True
200
What is the frequency of a wave that has a speed of 0.4 m/s and a wavelength of 0.020 meter?
20 hertz
300
When the particles of a medium are vibrating at right angles to the direction of energy transport, then the wave is a ____ wave.
transverse
300
As a wave travels into a medium in which its speed increases, its wavelength would ____.
increase
300
The number of waves generated per second by a source is called the frequency of the source.
a. True
b. False
True
300
A period of 0.005 seconds would be equivalent to a frequency of ____ Hz.
200
400
A transverse wave is traveling through a medium. The particles of the medium are vibrating _____ to energy transport.
parallel
400
As a wave passes across a boundary into a new medium, which characteristic of the wave would NOT change?
frequency
400
Constructive interference of waves occurs when two crests meet.
a. True
b. False
True - Or when a trough meets a trough or whenever two waves displaced in the same direction (such as both up or both down) meet.
400
A pendulum makes exactly 40.0 vibrations in 20.0 s. Its period is ____.
0.500 s
500
What is the amplitude of the wave in the diagram below?
0.030 m.
500
A standing wave experiment is performed to determine the speed of waves in a rope. The standing wave pattern shown below is established in the rope. The rope makes exactly 90. complete vibrational cycles in one minute. The speed of the waves is ____ m/s.
6.0 m/s
500
Which one of the following factors determines the pitch of a sound?
a. The amplitude of the sound wave
b. The distance of the sound wave from the source
c. The frequency of the sound wave
d. The phase of different parts of the sound wave
e. The speed of the sound wave
c. The frequency of the sound wave
500
A wave whose speed in a snaky is 4.4 m/s enters a second snakey. The wavelength changes from 2.0 m to 3.0 m. The wave in the second snaky travels at approximately ____.
6.6 m/s