The distant object method is used to find
the focal length of
a) a concave mirror
b) a convex mirror
c) any spherical mirror
d) a plane mirror
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Answer:
By distant object method :
Measure the distance between mirror and screen using a metre scale. It can be taken as the focal length (f) of the mirror.
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Answer:
of ummm let me see its plane mirror coz its only lenght and the others can have ob distance image distance focal lenght and radius of curvature
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