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JEE Mains 24-Jan-2023 Shift 2 Solved Paper

Section: Physics
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Question : 29 of 90
 
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A convex lens of refractive index 1.5 and focal length 18‌cm in air is immersed in water. The change in focal length of the lens will be cm.
(. Given refractive index of water =‌
4
3
)
[24-Jan-2023 Shift 2]
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