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Class 12 | Ray Optics
Topic — Lens Maker's Formula Formula Used 1. When a lens of refractive index μ2 is placed in a medium of refractive index μ1 then 1/f = (μ21-1)[1/R1-1/R2] OR 1/f = [(μ2/μ1)-1][1/R1-1/R2] 2. When the lens is placed in the air then μ1 = 1 and μ2 = μ then 1/f = (μ-1)[1/R1-1/R2] Sign Convention 1 )…
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