Questions
A luminous point is moving at speed towards a spherical mirror, along its axis. Then the speed at which the image of this point object is moving is given by (with R = radius of curvature and u = object distance)
detailed solution
Correct option is D
1u+1v=1f differentiatiing -1u2dudt-1v2dvdt= 0 dvdt= -v0v2u2 dudt = v0 vu=fu-f f=R/2Talk 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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