Exercise 33.26 Part A At what angle above the horizontal is the sun if sunlight

Question

Exercise 33.26

Part A At what angle above the horizontal is the sun if sunlight reflected from the surface of a calm lake is completely polarized? = SubmitMy AnswersGive Up Part B What is the plane of the electric-field vector in the reflected light? What is the plane of the electric-field vector in the reflected light? The plane of the electric-field vector in the reflected light is vertical and perpendicular to the plane of the page. The plane of the electric-field vector in the reflected light is horizontal.

Exercise 33.26 Part A At what angle above the horizontal is the sun if sunlight reflected from the surface of a calm lake is completely polarized? Submit My Answers Give Up Part B what is the plane of the electric-field wector in the reflected light? The plane of the electric field vector in the reflected light is vertical and perpendicular to the plane of the page. The plane of the electric-field wector in the reflected light is horizontal.

Explanation / Answer

part A)

for complete polarization , incidence angle must be equal to brewster angle

theta = arctan(n2/n1)

theta = arctan(1.33/1)

theta = 53.1 degree

Now, angle of sun with horizontal = 90 - 53.1

angle of sun with horizontal = 36.9 degree

part B)

the correct option is A

the plane of electric field vector int he reflected light is vertical and perpendicular to the plane of page

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