Question

radius of curvature of a mirror is 20 cm.what type of mirror is it

Answer 1

convex mirror is the mirror in which radius is taken in positive and radius is 20cm so it is convex mirror

Answer 2

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We know that formula :-

f=R/2

Where

F=Focal Length
R=Radius of curvature

then

f=R/2

f=20/2

f=10


We know only Convex mirror gives positive focal length..

Answer:- Convex mirror for it's situation...

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