A monochromatic light wave with wavelength λ₁ and frequency ν₁ in air enters another medium. If the angle of i…

Question

A monochromatic light wave with wavelength $$\lambda_1$$ and frequency $$
u_1$$ in air enters another medium. If the angle of incidence and angle of refraction at the interface are $$45^\circ$$ and $$30^\circ$$ respectively, then the wavelength $$\lambda_2$$ and frequency $$
u_2$$ of the refracted wave are:

Accepted Answer

A. $$\lambda_2 = \frac{1}{\sqrt{2}} \lambda_1, 
u_2 = 
u_1$$

Answer

B. $$\lambda_2 = \lambda_1, 
u_2 = \frac{1}{\sqrt{2}} 
u_1$$

Answer

C. $$\lambda_2 = \lambda_1, 
u_2 = \sqrt{2} 
u_1$$

Answer

D. $$\lambda_2 = \sqrt{2} \lambda_1, 
u_2 = 
u_1$$

Answer & step-by-step solution

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