# JEE Main & Advanced Physics Ray Optics Reflection of Light

Reflection of Light

Category : JEE Main & Advanced

When a ray of light after incidenting on a boundary separating two media comes back into the same media, then this phenomenon, is called reflection of light.

(1) $\angle i=\angle r$

(2) After reflection, velocity, wave length and frequency of light remains same but intensity decreases.

(3) There is a phase change of $\pi$ if reflection takes place from denser medium.

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