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Question
Refractive index of the medium isµ and wavelength is λ, then which of the following proportionality relation is correct?
Options
µ ∝ λ2
µ ∝ \[\frac{1}{\lambda}\]
µ ∝ λ
µ ∝ \[\frac{1}{\lambda^2}\]
MCQ
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Solution
µ ∝ \[\frac{1}{\lambda}\]
Explanation:
The refractive index of a medium,
`mu = "c"/"v" = "c"/("v"lambda)`
`therefore mu prop 1/lambda`
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