Physics · Wave Optics
An unpolarized light ray passing through air (refractive index na = 1) is incident on a glass slab (refractive index ng = √3) at an angle of 60°. The amplitude of the in-plane (x-y) electric field component of the incident light is 4 V/m and the amplitude of the out-of-plane (z) electric field component is 3 V/m. After passing through the glass slab, the electric field amplitude (in V/m) of the light is:
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