Optics Question 709

Question: Monochromatic light is refracted from air into the glass of refractive index $ \mu $ . The ratio of the wavelength of incident and refracted waves is

[JIPMER 2000; MP PMT 1996, 2003]

Options:

A) 1 : $ \mu $

B) 1 : $ {{\mu }^{2}} $

C) $ \mu $ : 1

D) 1 : 1

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Answer:

Correct Answer: C

Solution:

$ \lambda \propto \frac{1}{\mu }\Rightarrow \frac{{\lambda _{1}}}{{\lambda _{2}}}=\frac{{\mu _{2}}}{{\mu _{1}}}=\frac{\mu }{1} $



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