# Chapter 11, Waves

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Which of the following relate to sound waves?
Sound waves require a medium
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Which of the following relate to light waves?
Light waves are electromagnetic waves.
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Which of the following relate to water waves?
Water waves transport energy but not water
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The medium seismic waves travel through is?
The medium seismic waves travel through rocks and other materials inside the Earth
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Sound waves are an example of transverse waves or longitudinal waves.
Sound waves are an example of longitudinal waves.
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Light Waves are an example of transverse waves or longitudinal waves.
light waves are an example of transverse waves.
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The following water wave is an example of?
The following water wave is an example of a transverse waves.
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true or false - A wave transports energy but not matter
true
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true or false - Visible light waves require a medium in which to travel
false
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true or false - Radio waves are an example of electromagnetic waves.
true
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true or false - Sound waves are an example of longitudinal waves,
true
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true or false - light waves are an example of transverse waves.
true
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medium/
The matter through which a wave travels is called the medium
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A wave that requires a medium is called what?
A wave that requires a medium is called a mechanical wave.
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A wave that causes the particles of the medium to vibrate perpendicular to the direction the wave travels is what kind of wave?
A wave that causes the particles of the medium to vibrate perpendicular to the direction the wave travels is a transverse wave.
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A wave that causes the particles of the medium to vibrate parallel to the direction the wave travel is called what?
A wav that causes the particles of the medium to vibrate parallel to the direction the wave travels is a longitudinal wave.
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A wave has a period of a 0.25 seconds. What is the frequency of this wave?
A wave that has a period of 0.25 seconds has a frequency of 4 Hz
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A man standing on the shore of a beach, up to his knees in water. Every 5 seconds a wave breaks on him. What is the period of the wave?
A man standing on the shore of a beach, up to his knees in water. Every 5 seconds a wave breaks on him. The period of the wave is 5 seconds.
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The wavelength of the wave in the above diagram is?
The wavelength of the wave in the above diagram is 1.5 m
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The amplitude of the above wave is what?
The amplitude of the above wave is 0.5
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A train of waves is moving at a speed of 30 m/s. The frequency of the waves is 10 Hz. What is the wavelength?
The wavelength is 3m
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What does the frequency of a sound wave determine?
The frequency of a sound wave determines the pitch of the sound.
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How loud a sound is depends on what?
How loud a sound is depends on the amplitude of the waves.
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What is the difference between visible light and x-rays?
The difference between visible light and x rays is that the frequency of x rays is greater.
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what kind of curve is a good mathematical model for representing transverse waves?
A sine curve is a good mathematical model for representing transverse waves?
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The color of light is determined by what?
The color of light is determined by the frequency of the light rays.
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. A wave with a frequency of 0.5 Hz and a speed of 10m/s has a wavelength of what?
. A wave with a frequency of 0.5 Hz and a speed of 10m/s has a wavelength of 20m.
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30.T/F, The greater the frequency of the wave in a particular medium, the greater the speed of the wave?
30. The greater the frequency of the wave in a particular medium, the greater the speed of the wave is true
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31. T/F, The energy of a mechanical wave depends on the amplitude of the wave.
31. The energy of a mechanical wave depends on the amplitude of the wave is true
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32. T/F, As the period of the wave increases, the frequency increases?
32. As the period of the wave increases, the frequency increases is false.
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33. T/F, The color of visible light depends on the wavelength of the light?
33. The color of visible light depends on the wavelength of the light is true.
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34. What do you call the highest point of a transverse wave?
34. You call the highest point of a transverse wave the crest.
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36. What do you call the greatest distance that particles in a medium move from their normal position when in a wave?
36. You call the greatest distance those particles in a medium move from their normal position when in a wave the amplitude
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37. What do you call the time required for one full wavelength to pass a certain point?
37. You call the time required for one full wavelength to pass a certain point a period.
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38. What do you call the number of vibrations that occur in a 1-second time interval?
38. You call the number of vibrations that occur in a 1-second time interval the frequency.
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the particle model of light explains how light can ..
travel through empty space without a medium
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the amount of energy in a photon of light is proportional to the
frequency of the corresponding light wave
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which type of electromagnetic waves has the highest frequency
gamma rays
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which type of electromagnetic radiation is used to kill cancer cells?
gamma rays
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the two most common models of light describe it a wave or as a stream of