Mathematical equation of polarization of light
Answers
Answer:
Brewster's law states that reflected light will be completely polarized at the angle of reflection θb, known as Brewster's angle, given by a statement known as Brewster's law: tanθb=n2n1 θ b = n 2 n 1 , where n1 is the medium in which the incident and reflected light travel and n2 is the index of refraction of the
Explanation:
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Answer:
The electromagnetic wave is characterized by its wave phase, frequency, and direction of propagation of transverse field oscillation which consists of transverse electric and magnetic components. The plane that uses the transverse electric vector is associated with a quantity known as the polarization plane. Light is a transverse electromagnetic wave, but any natural light can be considered as unpolarized since the propagation of all the planes is equally probable. Therefore, based on the position of the polarizer we get horizontal or vertical polarized light. Polarized light is a condition where when each light waves are placed parallel to each other. It is possible to polarize only transverse waves and that light is built up by transverse waves.
The degree of polarization completely depends on the matter and the angle at which the light is reflected. All the substances that could polarize light are known as a polarizer and the phenomenon is known as polarization.
Formula of Polarization
Polarization angle or Brewster’s angle formula is given by:
tanθ = n2 / n1
Where,
n1 is the initial medium
n2 is the other medium
I is the Io cos2θ
Solved Examples
Example 1
Determine the value of polarizing light angles when the refractive index of green color glass is 1.515 and that of violet color is 1.521.
Solution:
Given:
n1 = 1.515
n2 = 1.521
The in1 = tan -1 (1.515 )
= 56o 57’
The in2 = tan -1 (1.521 )
= 56o 68’
Explanation:
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