Physics

Problem

Light waves of wavelength,

\lambda

, pass from the air into a medium of refractive index 2.0. Which of the following correctly gives the speed and the wavelength of the waves in the medium? a. Speed: C, Wavelength:

\lambda

b. Speed: C, Wavelength:

\frac{1}{2}\lambda

c. Speed:

\frac{1}{2}C

, Wavelength:

\lambda

d. Speed:

\frac{1}{2}C

, Wavelength:

\frac{1}{2}\lambda

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