If radius of curvature is 20 cm. What type of mirror is it?
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Radius of curvature is given 20 CM. f=20/2=10cm. the focal length is 10 cm. so the mirror will be spherical mirror or concave mirror..
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Answer:-
Radius of curvature = 20 CM
Focal length = 10cm
So the mirror will be spherical shape or concave mirror .
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