MCQ
The Cauchy's dispersion formula is
  • $n=A+B \lambda^{-2}+C \lambda^{-4}$
  • B
    $n=A+B \lambda^2+C \lambda^{-4}$
  • C
    $n=A+B \lambda^{-2}+C \lambda^4$
  • D
    $n=A+B \lambda^2+C \lambda^4$

Answer

Correct option: A.
$n=A+B \lambda^{-2}+C \lambda^{-4}$

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