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Engineering Physics Ii
Engineering Physics Exam
The direction of polarization of an electromagnetic wave is considered to be the direction of __________
a) Electric Field
b) Magnetic field
c) Resultant of Electric field and Magnetic Field
d) Perpendicular to both Electric and Magnetic Field
The second polaroid placed after the ray has been polarized is called as __________
c) Brewster’s Window
d) Multi Polaroid
An unpolarized light can be polarized by __________
Which of the following is a uniaxial crystal?
For a glass surface, the value of polarizing angle is _________
The refractive index of a material is 1.What is the polarizing angle?
A polarized light of IntensityWm2 is incident on the analyzer at a certain angle. If the transmitted beam has an Intensity ofWmthe angle made with the vertical is _____________
What angle should the beam made with the vertical, so that after passing through the analyzer, it’s intensity should become 0.times the initial intensity?
The sunlight as received by the observer is __________
b) Partially Polarized
d) Varying Polarizability
If ray R1 is incident at the polarizing angle, which of the following rays are unpolarized?
c) Both R2 and R3
d) Both R1 and R3
At the angle of polarization, p, the angle between the reflected and the refracted beam is __________
c) π /2
Which of the two rays are polarized?
c) Both X and Y
d) Neither X and Y
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