JEE Main 29 Jan 2025 Shift 2 Paper

Section: Physics
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Question : 44 of 75
 
Marks: +1, -0
A convex lens made of glass (refractive index =1.5 ) has focal length 24 cm in air. When it is totally immersed in water (refractive index =1.33 ), its focal length changes to
[29 Jan 2025 Shift 2]
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