Question

17. Which of the following is the lens maker's formula
A. 1/f=(n-1)(1/R +1/R2)
B.1/f=(n+1)(1/R-1/R)
C.1/f-(n-1)(1/R-1/R2)
D. 1/f-(n+1)(1/R1+1/R2)​

Answer 1

Answer:

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