POLARIZATION Quiz for Fun & Quiz Competition Practice

Polarization: The process of transforming unpolarized light into polarized light is called Polarization.

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#1. Which of the following changes a plane polarized light into a circularly polarized light

#2. Which of the following introduces a phase difference of 1800 between e-ray and o-ray

#3. Which type of polarization occurs when the optical path difference is λ/4

#4. The birefringence of a crystal is negative. Then which of the following is correct for e-ray and o-ray

#5. In one full rotation of the polarizer, there are how many positions of zero intensity when we say it's linearly polarized

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Polarization Physics Quiz Explanation is given below

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POLARIZATION Quiz ANSWERS

  1. Quarter wave plate
  2. Half wave plate
  3. Both a and b
  4. ve > vo
  5. 2

1. A quarter wave plate is used for producing elliptically or circularly polarized light. It depends on the angle the incident light vector makes with the optic axis of the quarter wave plate.

2. Half wave plate introduces a phase difference of 1800 between extraordinary ray and ordinary ray. It also creates a path difference of λ/2 between them.

3. When the optical path difference is λ/4, the resultant wave can be both elliptically and circularly polarized. Linear polarization occurs when the optical path difference is λ/2.   

4. Birefringence of the crystal, n = ne-no

So it’s negative means, ne < no

Refractive index(n) is inversely proportional to the velocity of o-ray and e-ray.

Hence, ve > vo .

5. In one full rotation of the polarizer, we get two positions of maximum intensity and two positions of zero intensity- then we say it’s linearly polarized.

Quiz and it’s explanation by Som Abhishek

Polarization definition by Bhautik Kapadiya

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1. Which of the following changes a plane polarized light into a circularly polarized light?

   a. Half wave plate

   b. Quarter wave plate()

   c. Full wave plate

   d. Ordinary glass wave plate

2. Which of the following introduces a phase difference of 1800 between e-ray and o-ray?

  a. Full wave plate

  b. Quarter wave plate

  c. Half wave plate()

  d. None of the above

3. Which type of polarization occurs when the optical path difference is λ/4?

  a. Elliptical polarization

  b. Circular polarization

  c. Linear polarization

  d. Both a and b()

4. The birefringence of a crystal is negative. Then which of the following is correct for e-ray and o-ray?

  a. ve > vo()

  b. vo > ve

  c. vo = ve

  d. None of the above

5. In one full rotation of the polarizer, there are how many positions of zero intensity when we say it’s linearly polarized?

  a. 1

  b. 2()

  c. 0

  d. infinite

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