Mirrors. Plane Virtual Upright ObjectImage Concave Cf C = R = 2f.

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Presentation transcript:

Mirrors

Plane Virtual Upright ObjectImage

Concave Cf C = R = 2f

Convex C = R = 2f f C

Mirror Equation

Sign Conventions For single mirrors o is always positive i is positive for real images i is negative for virtual images f is positive for concave mirrors f is negative for convex mirrors

Magnification Equations

Cf Where is the image formed if an object is placed 30 cm from a concave mirror with a focal length of 10 cm? Is the image real or virtual? How tall is the image if the object is 5 cm tall? Is the image upright or inverted?

Images for Mirrors Type of Mirror Object distance Image typeImage size Image orientation Planeanyvirtualsameupright Convexanyvirtualsmallerupright Concave< fvirtuallargerupright Concave= f< no image > Concave between f and 2f reallargerinverted Concave= 2frealsameinverted Concave> 2frealsmallerinverted

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