AP EAMCET Engineering 2018 Apr 23 Shift 1 Paper

Section: Physics

Question : 102 of 160

Marks: +1, -0

A lens forms real and virtual images of an object when the object is at Uj and 112 distances respectively. If the size of the virtual image is double that of the real image, then the focal length of the lens is (Take the magnification of the real image as 'm')

(
u1+u2
2
) m
(
u1−u2
3
) 2m
(
u1−u2
2
) 3m
(
u1+u2
3
) 2m

Validate

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