The refractive index of a prism is measured using three lines of a mercury vapour lamp. If \mu_1,\mu_2 and \mu_3 are the measured refractive indices for these green, blue and yellow lines respectively, then

Correct Answer is : µ2>µ1>µ3

KVPY SA Exam 2013 Question Paper

Question : 21 of 80

Marks: +1, -0

The refractive index of a prism is measured using three lines of a mercury vapour lamp. If

µ_1,µ_2

and

µ_3

are the measured refractive indices for these green, blue and yellow lines respectively, then

Solution:

µ(λ) > =\B+C/λ^2+...

µ_2 >µ_1 > µ_3

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