Polarization of Light MCQ Questions and Answers Quiz

11. An optical fiber cable acts as the principle of

  1. Double refraction
  2. Total external refraction
  3. reflection
  4. total internal reflection

12. Dextrorotatory optically active substance rotates the plane of vibration?

  1. In clockwise direction
  2. In anticlockwise direction
  3. By 180 degree
  4. none of these

13. Electric field vector vibrates in only one plane and perpendicular to the direction of propagation in.............light

  1. plane polarised
  2. unpolarised
  3. both plane polarised & unpolarised
  4. neither plane polarised & nor unpolarised

14. How many principle sections of uniaxial crystal have?

  1. 6
  2. 3
  3. 5
  4. 2

15. How much phase change is introduced by a quarter wave plate between ordinary and extra ordinary ray.

  1. pi
  2. 2 pi
  3. pi/2
  4. pi/4

16. If a hologram is illuminated by white light it will form

  1. Single color image
  2. Colorful image
  3. will not form image
  4. red image in black and white

17. If the angle between the axis of Polarizer and analyser is 300, the intensity of light transmitted by analyser is........times the intensity transmitted by the polarizer

  1. 2-Jan
  2. 4-Mar
  3. 4-Jan
  4. Zero

18. If the angle between the axis of Polarizer and analyser is 45 degree , the intensity of light transmitted by analyser is...................times the intensity transmitted by the polarizer

  1. 2-Jan
  2. 4-Mar
  3. 4-Jan
  4. Zero

19. If the angle between the axis of Polarizer and analyser is 90 degree, the intensity of light transmitted by analyser is.............times the intensity transmitted by the polarizer

  1. 2-Jan
  2. 4-Mar
  3. 4-Jan
  4. Zero

20. If the light is incident on a transparent material at the polarizing angle of 60 degree, The angle of refraction is

  1. 45 degree
  2. 60 degree
  3. 30 degree
  4. 90 degree
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