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Apr 24th, 2013, 03:22 PM
#3
Thread Starter
Fanatic Member
Re: ANGLE OF INCIDENCE IS EQUAL TO THE ANGLE OF Reflection
hey yall
if line M =0 degrees
normal line is 90 degrees of that
incidence line is 135 degrees
if i use this formula below i get negitive numbers
why?
To get the final angle:
AngleIncidence = AngleReflection
AngleIncidence = (180° + InitialAngle) - (NormalAngle)
AngleReflection = (NormalAngle) - (FinalAngle)
Solving for FinalAngle:
180 + Init - Norm = Norm - Final
180 + Init - 2 Norm = - Final
Final = 2 * Norm - 180 - Init
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