CONCAVE MIRRORS

# CONCAVE MIRRORS

## CONCAVE MIRRORS

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##### Presentation Transcript

1. CONCAVE MIRRORS SNC 2P

2. Anatomy of a Curved Mirror • Centre of Curvature – all curved mirrors are like a ball, the centre of curvature for the mirror is where the centre of the “ball” would be • Focal Point – A point halfway between the mirror and the centre • Principal Axis – a line through the Centre of Curvature to the centre of the mirror

3. Anatomy of a Curved Mirror • Focal Length – the distance between the mirror and the focal point • Radius of Curvature – the distance between the mirror and the centre of curvature

4. Anatomy of a Curved Mirror

5. Concave Mirrors • A type of curved mirror • The reflective surface is on the inside, like a ‘cave’

6. Drawing Ray Diagrams for Concave Mirrors • There are only 2 things you need to remember: • A line that goes in parallel to the principal axis goes out through the focal point • A line that goes in through the focal point goes out parallel to the principal axis