Polaroid are used in aero planes to

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Question:
Polaroid are used in aero planes to

1. reduce pressure

2. increase incoming radiations

3. reduce incoming radiations

4. increase pressure

Posted Date:-2021-10-17 18:35:21

More MCQS Questions and answers

  1. A device used to get plane polarized light is
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  11. Example of uniaxial crystal is
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  13. From Brewsters law we find that polarizing angle depends on
  14. H- Polaroid is a thin film of nitrocellulose
  15. H-polaroids and K-polaroids are prepared by using
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  17. If the refraction index of a medium like glass is � the polarizing angle ip is given by
  18. In a doubly refracting crystal along the optic axis the ordinary ray and the extraordinary ray
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  20. In Nicol prism the refractive indices for the ordinary ray and the extraordinary ray are
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  22. Light is incident on a surface at a polarizing angle 57� Then the reflected beam is at
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  26. On rotating the analyzer if the intensity of light rays coming out of it varies from maximum to zero then the incident beam of light is
  27. On rotating the analyzer if the rays coming out of it has same intensity then the incident beam is
  28. On rotating the analyzer if the rays coming out of it has the intensity varies from maximum to minimum then the incident light is
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  30. Polarization of light by reflection on the surface of glass was discovered by
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  41. The planes of vibrations of the extraordinary and the ordinary rays are
  42. The polarizing angle for glass is about 25
  43. The production of stereoscopic motion picture uses the principle of
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