Engineering
Physics
Plane Mirror New
Optical Instrument
Question
Draw ray diagrams to show the formation of three times magnified (a) real, and (b) virtual image of an object by a converging lens. Mark the positions of O, F and 2F in each diagram.
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Solution
(A) When the object is placed between 2F and F then the image is real, inverted and enlarged.
(B) When the object is placed between F and the optical centre, the image is virtual, erect and enlarged.
