Waves and Interactions of Light
3 years ago
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  • Question 1
    120 seconds
    Q. Electromagnetic energy travels in waves. When we describe electromagnetic waves, we often talk about the wave’s length and frequency. Which of these statements accurately describes the relationship between the wavelength and frequency of an electromagnetic wave?
    answer choices
    If wavelength increases, frequency increases.
    If frequency decreases, wavelength increases.
    If frequency remains constant, wavelength increases.
    If wavelength remains constant, frequency increases.
  • Question 2
    120 seconds
    Q. Latif wakes up one morning and sees that it is foggy outside. Which term best describes the fog he sees?
    answer choices
  • Question 3
    120 seconds
    Q. Heather puts a straw into a glass of water. She notices that the straw appears to be broken when she looks through the glass and the water from the side. Which term bestexplains why the straw looks like it is broken?
    answer choices
  • Question 4
    120 seconds
    Q. Calvin shines a thin beam of light onto a material, and the light refracts. Which diagram best shows what happens to the light?
    answer choices
    Picture # 1
    Picture # 2
    Picture # 3
    None of the Above
  • Question 5
    120 seconds
    Q. Habib looks around his classroom at different objects. Which object reflects almost all of the light that strikes it?
    answer choices
    a white poster board
    clear window class
    a red book cover
    black construction paper
  • Question 6
    120 seconds
    Q. During a thunderstorm, Sanjay saw lightning and then heard thunder 5 s later. Why does he see the lightning before he hears the thunder?
    answer choices
    He would have seen the lightning and heard the thunder at the same time.
    Sound travels faster than light.
    Light travels faster than sound.
    There is no reason.
  • Question 7
    120 seconds
    Q. Red light waves and yellow light waves travel through air and strike the surface of glass. Only the yellow light waves travel through the glass as shown in the figure below. Which of these phrases best describes what the glass does?
    answer choices
    reflects red light
    absorbs yellow light
    transmits yellow light
    transmits red light
  • Question 8
    30 seconds
    Q. A dolphin makes a noise underwater that is too high-pitched for humans to hear. What type of wave is this?
    answer choices
  • Question 9
    120 seconds
    Q. In which of these situations would light slow down?
    answer choices
    from glass to air
    from ice to water
    from plastic to air
    from a vacuum to air
  • Question 10
    30 seconds
    Q. Sunlight contains all visible wavelengths of light. Each wavelength is a different color. When sunlight passes into and out of a raindrop, the light rays bend. Which color of light bends the most?
    answer choices
  • Question 11
    120 seconds
    Q. Light refracts when traveling from air into glass because light 
    answer choices
    travels at the same speed in air and in glass. 
    frequency is greater in air than in glass. 
    frequency is greater in glass than in air. 
    travels slower in glass than in air.
  • Question 12
    120 seconds
    Q. Which object would a sound wave travel the fastest through?
    answer choices
    brick wall
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