Questions
Refraction takes place at a concave spherical boundary separating glass air medium. For the image to be real, the object distance
a
should be greater than three times the radius of curvature of the refracting surface
b
should be greater than two times the radius of curvature of the refracting surface
c
should be greater than the radius of curvature of the refracting surface
d
is independent of the radius of curvature of the refracting surface
detailed solution
Correct option is A
Applying μ2v−μ1u=μ2−μ1R1v-1.5−u=1−1.5−R or 1v+32u=12Rfor v to be positive 12R>32uor u>3RTalk 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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