JEE Main 7 Apr 2025 Shift 1 Paper

Section: Physics
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Question : 40 of 75
 
Marks: +1, -0
A lens having refractive index 1.6 has focal length of 12 cm , when it is in air. Find the focal length of the lens when it is placed in water.
(Take refractive index of water as 1.28)
[7 Apr 2025 Shift 1]
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