1.

Write the lens Formula.

Answer»

Solution :Thelens maker .s formula is one such equation . It is GIVEN as
`(1)/(F)=(mu-1)((1)/(R_(1))-(1)/(R_(2)))`
where `mu` is the refractive index of the material of the lens, `R_(1) andR_(2)`are the radii of curvature of the two faces of the lens , f is the FOCAL length of the lens.


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