Q.1
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
Q.2
The second polaroid placed after the ray has been polarized is called as __________
  • a) Polarizer
  • b) Analyzer
  • c) Brewster’s Window
  • d) Multi Polaroid
Q.3
An unpolarized light can be polarized by __________
  • a) Reflection
  • b) Refraction
  • c) Diffraction
  • d) Interference
Q.4
Which of the following is a uniaxial crystal?
  • a) Borax
  • b) Mica
  • c) Quartz
  • d) Selenite
Q.5
For a glass surface, the value of polarizing angle is _________
  • a) 45.7°
  • b) 52.7°
  • c) 57.5°
  • d) 67.8°
Q.6
The refractive index of a material is 1.What is the polarizing angle?
  • a) 47.23°
  • b) 51.02°
  • c) 53.74°
  • d) 60.25°
Q.7
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 _____________
  • a) 30°
  • b) 45°
  • c) 60°
  • d) 75°
Q.8
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?
  • a) 30°
  • b) 45°
  • c) 60°
  • d) 75°
Q.9
The sunlight as received by the observer is __________
  • a) Unpolarized
  • b) Partially Polarized
  • c) Polarized
  • d) Varying Polarizability
Q.10
If ray R1 is incident at the polarizing angle, which of the following rays are unpolarized?
Questionengineering-physics-ii-questions-answers10.jpg
  • a) R1
  • b) R2
  • c) Both R2 and R3
  • d) Both R1 and R3
Q.11
At the angle of polarization, p, the angle between the reflected and the refracted beam is __________
  • a) p
  • b) π
  • c) π /2
  • d) p/2
Q.12
Which of the two rays are polarized?
Questionengineering-physics-ii-questions-answers12.jpg
  • a) X
  • b) Y
  • c) Both X and Y
  • d) Neither X and Y
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