CBSE Class 12-science Answered
A concave lens of glass, refractive index 1.5, has both surface of the same radius of curvature R. On immersion in a medium of refractive index 1.75, it will
Asked by yashu.fly | 22 Nov, 2014, 10:18: PM
Expert Answer
Given that:
Refractive index of glass lens, n2 = 1.5 ,
Refractive index of the medium in which the lens is immersed, n1 =1.75
Let f be the focal length of the lens.
Answered by Jyothi Nair | 22 Nov, 2014, 11:07: PM
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