Physics : Ray Optics and Optical Instruments

एक उत्तल लेंस को एक द्रव में डुबोया जाता है जिसका अपवर्तनांक लेंस के अपवर्तनांक के बराबर होता है। है, तो इसकी फोकस दूरी क्या है? , A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the lens. Then what is its focal length?

A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the lens. Then what is its focal length?




Solution
B. Focal Length will become infinite



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