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TS EAMCET 2015 Solved Paper

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Question : 99

Total: 160

Three thin lenses are combined by placing them in contact with each other to get moremagnification in an optical instrument. Each lens has a focal length of 3 cm. If the least distance of distinct vision is taken as 25 cm, the total magnification of the lens-combination in normal adjustment is

9
26
300
3

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