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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