Question A2 Blue light of vacuum wavelength 450 nm is travelling in a non-magnetic dielectric glass of refrac- tive index ng = 1.55. Calculate the impedance of the glass, the wavelength of light in the glass, and the critical angle 0c for total internal reflection at a glass-air interface.

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Question A2
Blue light of vacuum wavelength 450 nm is travelling in a non-magnetic dielectric glass of refrac-
tive index ng = 1.55. Calculate the impedance of the glass, the wavelength of light in the glass,
and the critical angle 0c for total internal reflection at a glass-air interface.
Transcribed Image Text:Question A2 Blue light of vacuum wavelength 450 nm is travelling in a non-magnetic dielectric glass of refrac- tive index ng = 1.55. Calculate the impedance of the glass, the wavelength of light in the glass, and the critical angle 0c for total internal reflection at a glass-air interface.
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