Reflection In your books sketch the set up putting the labels in the correct place Mirror Incident ray Angle of reflection Angle of incidence Reflected.

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Presentation transcript:

Reflection In your books sketch the set up putting the labels in the correct place Mirror Incident ray Angle of reflection Angle of incidence Reflected ray Normal 2

Angle of incidence = Angle of reflection Normal Incident ray Reflected ray Angle of incidence Angle of reflection Mirror 3

Law of Reflection: equal angles 1. PLANE (FLAT) MIRROR ACTUAL light path APPARENT light path normal Law of Reflection: equal angles VIEWER OBJECT IMAGE: same size, equal distance behind

PLANE MIRROR: UPRIGHT, SAME SIZE, VIRTUAL

CONCAVE MIRROR normal focus Concave mirrors are CONVERGING

CONCAVE MIRROR normal focus Concave mirrors are CONVERGING

1 CONCAVE MIRROR: parallel rays brought to focus 2 CONCAVE MIRROR: : light from focus into parallel beam 3. CONCAVE MIRROR: Object inside focus

CONVEX MIRROR virtual focus Convex mirrors are DIVERGING

CONVEX MIRROR: ALL OBJECT POSITIONS Security mirrors give a view of a wide area

Homework Find at least one common uses/ examples of plane (flat) mirror concave mirror convex mirror For each of your uses explain how the mirror is used (does it make the object appear larger or smaller? Does it focus the image?) How is this good for its function?