angle of reflection

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Related to angles of reflection: Law of reflection

an·gle of re·flec·tion

the angle that a ray reflected from a surface makes with a line drawn perpendicular to this surface; it is equal to the angle of incidence (2).

angle of reflection

after a collision, the angle at which one object is moving relative to another (usually a stationary surface or environmental factor such as wind). Example: after a snooker ball has hit a cushion, the angle between the ball's direction of travel and the cushion. It is not necessarily the same size as the angle of incidence. Also known as angle of rebound.