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Q1) An object of height 5cm is placed perpendicular to principal axis of a concave lens of focal length 10cm. If distance of object from optical centre of the lens is 20cm. Determine position, nature and size of image formed? (Answer is v=-20/3, h'=16cm) Q2) At what distance should an object be placed at convex lens of focal length 18cm to obtain an image of 24cm from of on other side. What will be its magnification? (Answer is -1/3)

Asked by mkmishra101 1st January 2017, 3:01 PM
Answered by Expert
Answer:
Answered by Expert 2nd January 2017, 3:16 PM
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