Vocab Bloom Hub

refractive index

/rɪˈfræktɪv ˈɪndeks/

翻译: 科学术语,指光在真空中的传播速度与其在特定介质中的传播速度之比,用于描述光通过不同材料时如何发生折射。

1 个条目

phrase

/rɪˈfræktɪv ˈɪndeks/C1formalscientific
  • zh科学术语,指光在真空中的传播速度与其在特定介质中的传播速度之比,用于描述光通过不同材料时如何发生折射。

A scientific term referring to the ratio of the speed of light in a vacuum to its speed in a specific medium, used to describe how light bends when passing through different materials.

  1. Optical propertyC1formal

    A dimensionless number that describes how light propagates through a medium, calculated as the ratio of the speed of light in a vacuum to its speed in the medium.

    zh折射率

    • The refractive index of water is approximately 1.33.
    • Diamonds have a high refractive index, which gives them their sparkle.
    • Scientists measure the refractive index to identify unknown substances.