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入射角 (rù shè jiǎ) — angle of incidence

Definition

Physics term: the angle at which a ray (of light, sound, etc.) hits a surface. Pairs with 反射角 (fǎnshèjiǎo, 'angle of reflection') — the law of reflection states the two angles are equal.

noun
angle of incidence

Examples

  • ，入射角。
    Guāng xiàn cóng kōng qì shè rù shuǐ zhōng shí, rù shè jiǎ huì fā shēng biàn huà.
    When light goes from air into water, the angle of incidence changes.
  • 入射角。
    Fǎn shè jiǎo děng yú rù shè jiǎ.
    The angle of reflection equals the angle of incidence.
  • ，入射角。
    Zài zhè ge shí yàn zhōng, wǒ men xū yào cè liáng rù shè jiǎ.
    In this experiment, we need to measure the angle of incidence.

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