When light is hitting a glass surface (n=1.50) , the reflected component oscillating in the parallel mode will vanish if the angle is the so-called Brewster angle. Use the Fresnel formulae to determine the Brewster angle and the square of the reflection coefficient of the perpendicular component.
jag har kunnat äkna ut brewsters angle på dett aviset;
n(1)=1 (luften)
n(2)=1,5 (glas)
n(1)*sin(vinkel)=n(2)*sin(90-vinkel)=n(2)*cos(vinkel)
sin(vinkel)/cos(vinkel)=tan(vinkel)=n(2)/n(1)
n(1)=1
n(2)=1,5
Vinkel=arctan(1,5/1) = 56,3 grader
kan nån hjälpa mig vidare?