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Refractive index and optical fibre question
This is an A level AQA question:
A signal is to be transmitted along an optical fibre of length 1200m. The signal consists of square pulses of white light and this is to be transmitted along the ...
1
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1
answer
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Snell's law demonstration
I'm a bit confused about a Snell's law demonstration.
I'm reading Communication Systems from W. Tomasi.
In the chapter 11, the author applies the Snell's law to θent, and -here comes my problem- he ...