Unit 2 Physics Exam Study Guide
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Questions and Answers

What is the definition of mechanical waves?

  • Waves that travel through matter with speed varying depending on the type of media (correct)
  • Waves that travel at the speed of light
  • Waves that have a fixed amplitude and frequency
  • Waves that travel through both matter and space

    • Which characteristic of waves refers to the distance from any point on one wave to a corresponding point on the next wave?

  • Amplitude
  • Frequency
  • Wave Speed
  • Wavelength (correct)

    • What type of waves can travel through both matter and space?

  • Electromagnetic waves (correct)
  • Sound waves
  • Mechanical waves
  • Ocean waves

    • What is the unit for measuring frequency?

    <p>hertz</p> Signup and view all the answers

    Which characteristic of waves refers to the height of a wave or the distance from crest/trough to resting point?

    <p>Amplitude</p> Signup and view all the answers

    Which type of waves require a medium to travel through?

    <p>Sound waves</p> Signup and view all the answers

    What is the main difference between mechanical waves and electromagnetic waves?

    <p>Mechanical waves require a medium to travel through, while electromagnetic waves do not</p> Signup and view all the answers

    Which type of wave travels through matter with speed varying depending on the type of media?

    <p>Sound waves</p> Signup and view all the answers

    Which type of wave is higher energy than visible light?

    <p>Ultraviolet</p> Signup and view all the answers

    What happens during refraction of light?

    <p>Light changes direction or bends when moving from one medium to another</p> Signup and view all the answers

    In the context of transmission of light, what does it mean when light hits a translucent object?

    <p>Light penetrates the material and travels all the way through</p> Signup and view all the answers

    How does reflection of light on objects impact our perception of color?

    <p>It changes the colors of objects</p> Signup and view all the answers

    What is the definition of absorption in the context of light?

    <p>When light energy is taken in by a substance</p> Signup and view all the answers

    Which type of wave is relative low energy compared to visible light?

    <p>Infrared</p> Signup and view all the answers

    What happens when light hits an opaque object?

    <p>Light is completely absorbed by the object</p> Signup and view all the answers

    Which term refers to the change in direction of a wave at a boundary between two media?

    <p>Reflection</p> Signup and view all the answers

    What is an example of refraction occurring in real-life?

    <p>Splitting white light into colors using a prism</p> Signup and view all the answers

    Which Amendment gave African American men the right to vote?

    <p>15th Amendment</p> Signup and view all the answers

    Which Amendment prohibited the denial of the right to vote based on failure to pay a poll tax or any other tax?

    <p>24th Amendment</p> Signup and view all the answers

    Which pair of Amendments granted citizenship rights and equal protection under the law for all persons born or naturalized in the United States?

    <p>14th and 24th Amendments</p> Signup and view all the answers

    Which group was specifically granted the right to vote by the 19th Amendment?

    <p>Women</p> Signup and view all the answers

    Which Amendment lowered the voting age from 21 to 18?

    <p>26th Amendment</p> Signup and view all the answers

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