A double convex lens is made of glass of refractive index 1.55 with both faces of the same radiu....

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A double convex lens is made of glass of refractive index 1.55 with both faces of the same radius of curvature. Find the radius of curvature required if focal length is \\(20 \\mathrm{~cm}\\). 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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