A concave lens made of material of refractive index n2 is held in reference medium of refractive index n1. Trace the path of parallel beam of light
passing through the lens when i.n1=n2 ii. <n2 ii. n1>n2
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A concave lens made of material of refractive index n2 is held in reference medium of refractive index n1. Trace the path of parallel beam of light
passing through the lens when i.n1=n2 ii. <n2 ii. n1>n2
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