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NEET Exam Model Paper 14

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Question : 12 of 180

Marks: +1, -0

Two thin symmetrical lenses of different nature and of different material have equal radii of curvature R=15cm. The lenses are immersed in water and put close together (µw=

) .The focal length of the system in water is 30 cm. The difference between refractive indices of the two lenses is

1/2
1/4
1/3
3/4

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