JEE Main 7 Apr 2025 Shift 1 Paper
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Question : 40 of 75
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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)
(Take refractive index of water as 1.28)
[7 Apr 2025 Shift 1]
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