Questions
An object 1 cm tall is placed 4 cm in front of a mirror. In order to produce an upright image of 3 cm height one needs a
a
Convex mirror of radius of curvature 12 cm
b
Concave mirror of radius of curvature 12 cm
c
Concave mirror of radius of curvature 4 cm
d
Plane mirror of height 12 cm
detailed solution
Correct option is B
Erect and enlarged image can produced by concave mirror.IO=ff-u⇒+3+1=ff-(-4)⇒f=-6 cm ⇒R=2f=-12 cmTalk to our academic expert!
Similar Questions
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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