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Old Feb 9th 2009, 08:04 AM   #1
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Lightbulb At what angle of incidence is amplitude coefficient of reflection parallel to the inc

At what angle of incidence is amplitude coefficient of reflection parallel to the incidence plane 0?

my solution is that by Fresnell's equation, r//=tan(i-i`)/tan(i+i`)=0, i=i`,i=90.so for whatever surface,angle of incidence should be 90.

is it correct?
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