ddedeasx said:
Yes, we require that you show some effort as a student before we can offer you tutorial help.brainpushups said:
The Brewster angle formula, also known as the Brewster's law, is an equation that describes the relationship between the angle of incidence and the angle of reflection for a polarized light ray passing through a transparent medium. It is given by the equation tan θB = n2/n1, where θB is the Brewster angle, n1 is the refractive index of the incident medium, and n2 is the refractive index of the medium the light is passing into.
The Brewster angle formula is derived from the Fresnel equations, which describe the behavior of light at the interface between two media with different refractive indices. By setting the reflected light intensity to zero, the equation for the Brewster angle can be derived.
The Brewster angle formula is significant because it allows us to calculate the angle at which reflected light is completely polarized. This can be useful in various applications, such as designing polarizing filters for cameras or reducing glare on surfaces.
No, the Brewster angle formula is only applicable to polarized light. Unpolarized light, which contains a mixture of different polarizations, does not follow this equation.
The Brewster angle formula has various practical applications, such as in the design of polarizing filters for cameras and sunglasses, reducing glare on surfaces like glass or water, and in the study of materials' optical properties. It is also used in the construction of optical devices, such as polarimeters and ellipsometers, for measuring the polarization of light.
