(i) If f = 0.5 m for a glass lens, what is the power of the lens ? (Refractive index of air-water = 1.33. Refractive index for ar - glass = 1.5.)
(i) If f = 0.5 m for a glass lens, what is the power of the lens ?
(Refractive index of air-water = 1.33. Refractive index for ar - glass = 1.5.)
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