Physics

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Total internal reflection

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  • 1. Multiple-choice
    1 minute
    1 pt
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    What happens to light during total internal reflection?

    The angle of incidence is greater than the critical angle.

    The angle of reflection is the same as the critical angle.

    The angle of refraction is less than the critical angle.

    The angle of incidence is zero.

  • 2. Multiple-choice
    1 minute
    1 pt

    Fiber optic cables work because of the principle of _____.

    total internal refraction

    incomplete internal refraction

    total internal reflection

    partial internal reflection

  • 3. Multiple-choice
    1 minute
    1 pt
    Image

    _____ cables transmit beams of light without allowing any of the light to escape until it gets to the end of the cable.

    Ethernet

    Fiber optic

    Armored

    Coaxial

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