Sir what is n 1 and n 2 in the formulae of refraction at spherical surface
Dear Student
In the formula n2 and n1 are the refractive indexes of the lens and the medium in which it is present(it can be air,water etc)
In the formula n2 and n1 are the refractive indexes of the lens and the medium in which it is present(it can be air,water etc)
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