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Object between F and P. Image behind mirror, virtual, erect and magnified.

Convex mirror

The diverging reflected rays appear to meet at F when produced backwards ; F is the principal focus.

PF = f = focal length
PC = R = Radius of curvature
In a similar way as the concave mirror, it can be shown that f = R/2 for a convex mirror.

Image Formation in Convex Mirror

Object at any position. Image between P and F on the other side, virtual, erect and diminished



16.1 Laws of Reflection at plane surfaces
16.2 Mirrors
16.3 Laws of Refraction at plane surfaces, Refractive Index and Critical Angle
16.4 Refraction at curved spherical surfaces and Lens makerís formula
16.5 Lenses
16.6 Refraction in Prisms, Prism Formula
16.7 Dispersion of Light, Angular Dispersion and Dispersive Power
16.8 Optical Instruments and Magnifying Power

Chapter 17

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