Unit 7 · Energy in Daily Life

Spherical Mirrors Presentation

ScienceSubject
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Science and Technology, Class 8

Spherical Mirrors

A piece of a sphere · Six terms · Rules of reflection

What today's lesson covers

🔤

The six terms used for a spherical mirror

📍

Where P, C, R, F and f are

➡️

The three rules for a concave mirror

↔️

The three rules for a convex mirror

The first three terms

🅿️

Pole P: the mid point of the reflecting surface

🎯

Centre of curvature C: the centre of the sphere

📏

Radius of curvature R: the distance from C to P

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Presenter notes: Start by holding up a shiny spoon and let the class tell you that the face looks different on the inside and on the outside of it.