Spatial distribution of electric field E(x) of a light beam which has a wavelength 5.0x107m coming from free space (n=1) and entering the dielectiric medium (n=1.5) at x=0 interface is shown below. Write an expression for the electric field E(x,t) of light inside the medium. (Ignore any reflection at the interface) E(X) λ=5.0x107m E₂ MM n=1 x=0 E(x,t)=? n=1.5 X
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