1.

The lens maker’s formula is(A) \(\frac{1}{n}\) = (f - 1) \([\frac{1}{R_1}-\frac{1}{R_2}]\)(B) \(\frac{1}{R}\) = (n - 1) \([\frac{1}{F_1}-\frac{1}{F_2}]\)(C) \(\frac{1}{f}\) = (n - 1) \([\frac{1}{R_1}-\frac{1}{R_2}]\)(D) none

Answer»

 (C) \(\frac{1}{f}\) = (n - 1) \([\frac{1}{R_1}-\frac{1}{R_2}]\)



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