has both surfaces of same radius of curvature R. On immersion in a medium of refractive index 1.75

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A concave lens of glass, refractive index 1.5, has both surfaces of same radius of curvature R. On immersion in a medium of refractive index 1.75, it will behave as a :
09
Nov
A concave lens of glass, refractive index 1.5, has both surfaces of same radius of curvature R. On immersion in a medium of refractive index 1.75, it will behave as a : A concave lens of glass has both surfaces of same radius of curvature R. On immersion in a medium of refractive index 1.75 [...]
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Tags: A concave lens of glass , has both surfaces of same radius of curvature R. On immersion in a medium of refractive index 1.75 , it will behave as a : , refractive index 1.5 ,