CBSE Class 10 Science 2017 Outside Delhi Term II Set 2 Paper

Question : 11

Total: 12

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.

Solution:

(a) For real image : To get three times magnified image, the object is placed between F1&2F1

(b) For virtual image : To get three times magnified image, the object is placed between the F1 and optical centre O.

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