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critical angle

/ˈkrɪtɪkəl ˈæŋɡəl/

翻译: 光(或声波等)从光密介质射向光疏介质时,折射角等于90度时的入射角;入射角大于该角时发生全反射。

1 个条目

phrase

/ˈkrɪtɪkəl ˈæŋɡəl/C1formalscientific
  • zh光(或声波等)从光密介质射向光疏介质时,折射角等于90度时的入射角;入射角大于该角时发生全反射。

The angle of incidence at which a wave (such as light or sound) is refracted at an angle of 90 degrees, causing it to travel along the boundary between two media; beyond this angle, total internal reflection occurs.

  1. Angle of total internal reflectionC1formal

    The angle of incidence at which light is refracted along the boundary between two media, beyond which total internal reflection occurs.

    zh临界角

    • The critical angle for light traveling from water to air is about 48.6 degrees.
    • Fiber optics rely on the principle of the critical angle.
    • If the angle of incidence exceeds the critical angle, the light is reflected back into the medium.