MCQ
लैंस सूत्र है-
  • A
    $\frac{1}{v}+\frac{1}{u}=\frac{1}{f}$
  • $\frac{1}{v}-\frac{1}{u}=\frac{1}{f}$
  • C
    $\frac{1}{u}-\frac{1}{v}=\frac{1}{f}$
  • D
    $\frac{1}{u}+\frac{1}{v}=\frac{1}{f}$

Answer

Correct option: B.
$\frac{1}{v}-\frac{1}{u}=\frac{1}{f}$
B

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