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The radius of curvature of a spherical m...

The radius of curvature of a spherical mirror is 20 cm. What is its focal length ?

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`r=20 cm`
`f=(r )/(2), f=(20)/(2)=10 cm`.
Focal length of the spherical mirror is 10 cm.
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ZEN PUBLICATION-LIGHT - REFLECTION AND REFRACTION-ZEN ADDITIONAL QUESTIONS SECTION (LONG ANSWER [LA] QUESTIONS)
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