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Waves Test Practice

Quiz by Becah Jubon

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15 questions
Show answers
  • Q1
    Why do we use red lasers for cat toys instead of violet?
    Red is the lowest energy and is less dangerous to the cat's eyes.
    Red has the highest amplitude and is less dangerous to the cat's eyes.
    Red is the highest energy and is less dangerous to the cat's eyes.
    Red has the lowest amplitude and is less dangerous to the cat's eyes.
    45s
  • Q2
    When radiating through a vacuum, which property of sound will be the same?
    amplitude
    frequency
    wavelength
    all of these will be non-existent
    45s
  • Q3
    When radiated through a vacuum, which property of light will be the same?
    speed
    frequency
    amplitude
    wavelength
    45s
  • Q4
    You're stuck in the basement of your house because your little brother accidentally locked the door after you went down the stairs. You need to let anyone in the house know that you are down there. Which of the following would send sound through the house the fastest?
    None of the above. You are doomed.
    Yelling towards the door because sound travels fastest through gases.
    Tapping on the metal pipes because they are solid and sound travels through solids fastest.
    Splashing in the water in the washing machine because sound travels fastest through liquids.
    60s
  • Q5
    You've hit your golf ball into the water hazard. Your forgiving partners are letting you simply retrieve the ball out of the water. You reach your hand into the water, but you keep missing the ball. It looks like it's right there! But you're not grabbing it. What's going on?
    The change of medium from air to water is causing your view of the ball to bounce back at you. This is called refraction.
    The change of medium from air to water is causing the line of sight to the ball to bounce back at you. This is called reflection.
    The change of medium from air to water is causing the line of sight to the ball to bend. This is called refraction.
    The change of medium from air to water is causing the line of sight to the ball to bend. This is called diffraction.
    60s
  • Q6
    I have my stereo blasting my favorite music throughout my house. I'm sitting in a different room than my stereo. My remote doesn't change the stereo when I try to point it straight at it, through the wall. I can see the stereo in a mirror. Is there a way to turn down the amplitude on the stereo using the remote?
    Yes, if you put in fresh batteries that would cause the remote's signal to diffract more and reach the stereo.
    No, you would not be able to get signal to the stereo because of reflection.
    Yes, reflect the remote's signal off of the mirror at an angle that would hit the stereo.
    No, there is no way. Just get up and go change it.
    60s
  • Q7
    I can hear my students coming down the hallway before I can see them. What two wave interactions allow this to happen?
    reflection, diffraction
    reflection, interference
    magic teacher senses
    diffraction, interference
    60s
  • Q8
    The best way to catch a fish using just your hand is to
    grab the fish while it is directly below you. There is no refraction straight down.
    grab the fish while it is deeper in the water. There will be no refraction the further down you go.
    grab the fish while it is at a low angle to you. There is no refraction at this small angle.
    grab the fish while it is directly below you. There is a lot of refraction straight down.
    60s
  • Q9
    Your parents ask you to increase the amplitude and decrease the pitch on the speakers for your electric ukulele so that they can hear you play. Which knobs would you want to adjust and how?
    You'd want to turn down the volume and frequency.
    You'd want to turn up the volume and the frequency.
    You'd want to turn up the volume and turn down the frequency.
    You'd want to turn up the frequency and turn down the volume.
    60s
  • Q10
    What is the frequency of the green wave?
    Question Image
    6 Hz
    12 Hz
    24 Hz
    You can not tell from the information given.
    60s
  • Q11
    What is the frequency of the red wave if the time span is 6s?
    Question Image
    6 Hz
    3 Hz
    0.5 Hz
    1 Hz
    60s
  • Q12
    Which wave is brighter?
    Question Image
    The wave on the bottom.
    The wave on the top.
    There is no way to tell from the image.
    Both waves would be the same.
    60s
  • Q13
    Which property of the wave is different in these pictures?
    Question Image
    Amplitude
    There is no way to tell from the image.
    Wavelength
    Frequency
    60s
  • Q14
    What are the two things being compared on this graph?
    Question Image
    Temperature vs. the speed of light.
    The speed of sound in dry air and the speed of sound.
    The speed of sound vs. temperature.
    60s
  • Q15
    What does this graph say about the speed of sound in dry air?
    Question Image
    There is not enough information on this graph to determine.
    It travels faster in lower temperatures.
    It travels faster in higher temperatures.
    Temperature has no affect on the speed of sound in air.
    60s

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