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.
$n = A + B{\lambda ^{ - 2}} + C{\lambda ^{ - 4}}$
a
( a)

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