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Wave Behavior Review

Quiz by Brianca Noble

Grade 8
Science
Georgia Standards of Excellence

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7 questions
Show answers
  • Q1

    An echo is an example of sound wave

    interference

    diffraction

    reflection

    refraction

    30s
  • Q2

    Refraction occurs when a wave changes its

    frequency

    color

    intensity

    speed

    30s
  • Q3

    When considering light moving through a diffraction grating, you should treat the light as

    neither a particle nor a wave

    both a particle and a wave.

    a particle

    a wave

    30s
  • Q4

    A magnifying glass or hand lens is a bi-convex lens. It is convex on both sides, meaning that the glass is curved outward to form a dome. Things look bigger looking through convex lenses. When light passes through the lens, it is bent or _______.

    reflected

    refracted

    conducted

    absorbed

    30s
  • Q5

    The beam of a light spreads out after leaving the flashlight. The beam grows wider and wider. This is best explained by

    diffraction

    reflection

    interference

    refraction

    30s
  • Q6

    A student is given an assignment to demonstrate diffraction. He takes a photograph of a straw in a glass of water. The straw appears bent at the water level. Which best describes this example?

    This is an example of dispersion and not diffraction

    This is a good example of diffraction

    This is an example of refraction and not diffraction

    This is an example of reflection and not diffraction.

    30s
  • Q7

    When sunlight strikes oil on the surface of water, a variety of colors are observed. What is the best explanation for this observation?

    Oil reflects the light and the lens of our eyes break it into component colors.

    The visible spectra of white light travel at different speeds. reaching the oil separately so we see the component colors

    The components of white lights are refracted at different angles due to their various wavelengths.

    Oil has a very high index of refraction, trapping and reflecting the visible spectrum.

    30s

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