Reflection of a plane wave at the interface between two dielectrics.
We know that
Incidence wave "E=E_0e^{j(k.r-wt)}"
"Reflected wave \n\\\\E_1=E_{01}e^{j(k_1.r-w_1t)}"
Refracted wave
"E_2=E_{02}e^{j{(k_2.r-w_2t)}}"
"k_1" = Reflected wave propagation constant
"k_2" =Refracted wave propagation constant
"k=" Incidence wave propagation constant
"k_{1x}=k_{2x}=k_x"
"k_{1r}=k_{2r}=k_r"
For reflection
"k_{1x}=k_{x}"
"k_1sin\\theta_1=ksin\\theta"
"k_1=k"
"sin\\theta_1=sin\\theta"
"\\theta_1=\\theta"
This is reflection law
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