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Module 4 (Phenomena of light)
17問 • 1年前
  • Al-Walli Bayotlang
    • 通報

    問題一覧

  • 1

    The outer bulging reflecting surface of a spoon acts like a ______________.

    Convex mirror

  • 2

    ______________produces an image that is virtual, upright and smaller than the object.

    Convex mirror

  • 3

    The hallowed reflecting surface of the spoon acts like ____________.

    Concave mirror

  • 4

    The appearance of the image in a _______________depends on how close the object is to it.

    Concave mirror

  • 5

    _________________ we see depends on its ability to reflect or to transmit the light incident to it.

    The colors of the object

  • 6

    _________________ takes place on opaque objects when light is incident to it.

    Selective reflection

  • 7

    ________________ takes place on transparent objects when light is incident to it.

    Selective transmission

  • 8

    __________ plays a role in optical illusions like mirages and rainbows.

    Refraction

  • 9

    ______________is an optical phenomenon that creates illusion of water that results from the bending of light because of the gradient in the air temperature.

    Mirage

  • 10

    ______________ are formed because of refraction, reflection and dispersion of light as it passes through water droplets acting as tiny prisms. It appears in the section of the sky directly opposite from the sun.

    Rainbow

  • 11

    A ______________ is formed when two total internal reflections and refraction occur in the water droplets. It appears outside and higher than the primary rainbow with an opposite color sequence.

    Secondary rainbow

  • 12

    _______________ are thin, pastel colored bands or fringes appearing below the primary rainbow adjacent to the violet band due to the interference of light.

    Supernumeraries

  • 13

    A ________ is a ring of light that forms around the sun or moon due to the refraction of light in the suspended ice crystals in the atmosphere.

    Halo

  • 14

    ______________ are bright white or colored patches of light developed because of refraction of light through ice crystals. They are also known as mock suns or parhelia which means “with the sun”

    Sundogs

  • 15

    ____________ particles in the atmosphere scatters blue light because of Rayleigh scattering resulting to blue sky.

    Small gas

  • 16

    _____________ are made up of water droplets which are larger than air molecules, thus all colors are scattered equally. All colors combined to make white light.

    Clouds

  • 17

    ____________ must travel through more of the atmosphere during sunset. More blue light is scattered, leaving red light transmitted. Only light of lower frequencies survives, producing red sunsets

    Sunlight

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    問題一覧

  • 1

    The outer bulging reflecting surface of a spoon acts like a ______________.

    Convex mirror

  • 2

    ______________produces an image that is virtual, upright and smaller than the object.

    Convex mirror

  • 3

    The hallowed reflecting surface of the spoon acts like ____________.

    Concave mirror

  • 4

    The appearance of the image in a _______________depends on how close the object is to it.

    Concave mirror

  • 5

    _________________ we see depends on its ability to reflect or to transmit the light incident to it.

    The colors of the object

  • 6

    _________________ takes place on opaque objects when light is incident to it.

    Selective reflection

  • 7

    ________________ takes place on transparent objects when light is incident to it.

    Selective transmission

  • 8

    __________ plays a role in optical illusions like mirages and rainbows.

    Refraction

  • 9

    ______________is an optical phenomenon that creates illusion of water that results from the bending of light because of the gradient in the air temperature.

    Mirage

  • 10

    ______________ are formed because of refraction, reflection and dispersion of light as it passes through water droplets acting as tiny prisms. It appears in the section of the sky directly opposite from the sun.

    Rainbow

  • 11

    A ______________ is formed when two total internal reflections and refraction occur in the water droplets. It appears outside and higher than the primary rainbow with an opposite color sequence.

    Secondary rainbow

  • 12

    _______________ are thin, pastel colored bands or fringes appearing below the primary rainbow adjacent to the violet band due to the interference of light.

    Supernumeraries

  • 13

    A ________ is a ring of light that forms around the sun or moon due to the refraction of light in the suspended ice crystals in the atmosphere.

    Halo

  • 14

    ______________ are bright white or colored patches of light developed because of refraction of light through ice crystals. They are also known as mock suns or parhelia which means “with the sun”

    Sundogs

  • 15

    ____________ particles in the atmosphere scatters blue light because of Rayleigh scattering resulting to blue sky.

    Small gas

  • 16

    _____________ are made up of water droplets which are larger than air molecules, thus all colors are scattered equally. All colors combined to make white light.

    Clouds

  • 17

    ____________ must travel through more of the atmosphere during sunset. More blue light is scattered, leaving red light transmitted. Only light of lower frequencies survives, producing red sunsets

    Sunlight