Questions
An object has image thrice its original size when kept at 8 cm and 16 cm from a convex lens. Focal length of the lens is
detailed solution
Correct option is C
m=±3, using m=ff+u(General form)For virtual image 3=ff−8 . . . .iFor real image −3=ff−16 . . . .iisolving i and ii we get f=12 cmTalk to our academic expert!
Similar Questions
Image of the sun is formed by a binconvex lens of focal length f. The image is a circular patch of radius r and is formed on the focal plane of the lens. Choose the correct statement from the following
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