Q. The Cauchy’s dispersion formula is
A) $n = A + B\lambda^{- 2} + C\lambda^{- 4}$
B) $n = A + B\lambda^{2} + C\lambda^{- 4}$
C) $n = A + B\lambda^{- 2} + C\lambda^{4}$
D) $n = A + B\lambda^{2} + C\lambda^{4}$
Explanation
The correct answer is Option A: $n = A + B\lambda^{- 2} + C\lambda^{- 4}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.