Energy
Level 2 Practice
Level 3 Practice
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Vocabulary
10
How fast a wave travels is known as
Wave speed or velocity.
10
Give an example of a longitudinal wave
sound or eartquakes
10
A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?
5 m
10
This is the top of the wave.
Crest
10
The distance between two crests or two troughs.
Wavelength
20
What is not transferred by a wave
Matter
20
In this type of wave the vibration and the energy moves in the same direction.
Longitudinal Wave
20
A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?
34 Hz
20
What property of a wave changes when a wave refracts
Speed
20
What is the unit of wavelength
Metres
30
Which type of wave moves the particles parallel to the direction of the wave.
Longitudinal
30
Transverse waves move __________________to the direction of energy transferred.
Perpendicular
30
A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
500 m/s
30
The distance from rest(equilibrium) to trough.
Amplitude
30
The low point of a wave
Trough
40
What does a wave carry
Energy
40
Give an example of a transverse wave
Water or any part of EM spectrum
40
How many waves are shown on the diagram?
4.5
40
Does a wave move towards or away from the normal when it enters from air to glass
Towards
40
The number of wavelengths that pass a given point per second
Frequency
50
Which type of wave moves particles in right angles in the direction of the waves?
Transverse
50
If the wavelength is 20m and the frequency is 5Hz, what is the velocity?
100m/s
50
One end of the rope is vibrated to produce a wave with a wavelength of .25 m. The Frequency of the wave is 3.0 Hz. What is the speed of the wave?
.75 m/s
50
Frequency of a wave is measured in?
Hz ( Hertz)
50
What is the speed of light
300 m/s
300,000 m/s
300,000,000 m/s
300,000,000,000 m/s
300,000,000 m/s