For a given distance between an object a...

For a given distance between an object and an image screen,magnification is 3 for a certain position of convex lens.On moving the lens through 0.2 m towards screen,magnification is `1/3`.Focal length of the lens is

0.075 m

0.01 m

1 m

0.15 m

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE

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