An electromagnetic wave of frequency 3.2×1014 Hz falls on a medium of refractive index 4.1. The speed of E-M waves in vacuum is 3×108 m/s. The wavelength of the E-M wave in vacuum, λ0 =  Unit           . The speed of the E-M wave in the medium, v =  Unit           . The wavelength of the E-M wave in the medium, λ =  Unit           . If the incident wave falls from air and the angle of incidence is 17.5°, what is the angle of refraction? The angle of refraction, θr =  Unit

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An electromagnetic wave of frequency 3.2×1014 Hz falls on a medium of refractive index 4.1. The speed of E-M waves in vacuum is 3×108 m/s.

The wavelength of the E-M wave in vacuum, λ0 =  Unit           .

The speed of the E-M wave in the medium, v =  Unit           .

The wavelength of the E-M wave in the medium, λ =  Unit           .

If the incident wave falls from air and the angle of incidence is 17.5°, what is the angle of refraction?

The angle of refraction, θr =  Unit 

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