Questions
An object is placed infront of a concave mirror of focal length 'f'. A virtual image is formed with a magnification of 2. To obtain a real image of same magnification, the object has to moved by a distance
detailed solution
Correct option is A
1f=1v+1u ; v1=-2u, v2=2u 1f=1v1+1u1, 1f=1v2+1u2Distance moved by the object = u1- u2= fTalk to our academic expert!
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The distance of a real object from the focus of a convex mirror of radius of curvature ‘a’ is ‘b’. Then the distance of the image from the focus is
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