Light of vacuum wavelength 600 nm enters a transparent medium of refractive index 1.50. Which set correctly gives its speed and wavelength in the medium?
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Question

Light of vacuum wavelength 600 nm enters a transparent medium of refractive index 1.50. Which set correctly gives its speed and wavelength in the medium?

G1 Physics · Accepted Answer

Frequency remains unchanged. Hence v=c/μ=2.0 × 10⁸ m/s and λ=λ₀/μ=400 nm.