Optical lever determination of refractive index
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An Optical lever is a useful device to measure very small displacements to a high accuracy and precision.
Optical lever has many applications like finding the radius of curvature (ROC), focal lengths of various mirrors and one of its major applications is to find refractive index of convex lens.
To find the refractive index, firstly, various readings are taken to calculate focal length and ROC and then using mathematics, refractive index of that particular lens can be determined.
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