If the radius of curvature of a mirror is 20 cm- what is the focal length-A- 20 cmB- 10 cmC- 40 cmD- 5 cm

The correct option is B 10cm f=R/2 f=20/2 =10cm ...

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Spherical Mirror

If the radius...

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If the radius of curvature of a mirror is 20 cm, what is the focal length?

10cm

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20cm

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40cm

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5cm

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