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Polarized glass is used in sun glasses b...

Polarized glass is used in sun glasses because:

A

It reduces the light intensity of half an account of polarisation

B

it is fashionable

C

it has good colour

D

it is cheaper

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The correct Answer is:
A
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ALLEN-WAVE OPTICS-Exercise 1 (Check your Grasp)
  1. In single slit fraunhoffer diffraction which type of wavefront is requ...

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  2. In the diffractin pattern of a single slit aperture, the width of the ...

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  3. Central fringe obtained in diffraction pattern due to a single slit-

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  4. In a single slit diffraction pattern, if the light source is used of l...

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  5. In the laboratory, diffraction of light by a single slit is being obse...

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  6. Find the half angular width of the central bright maximum in the fraun...

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  7. In a fraunhofer's diffraction by a slit, if slit width is a, wave leng...

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  8. In a fraunhofer's diffraction obtained by a single slit aperture, the ...

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  9. A polariser is used to

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  10. Light waves can be polarides as they are

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  11. Through which character, we can distinguish the light waves form sound...

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  12. The angle of polarisation for any medium is 60^(@) what will be critic...

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  13. The angle of incidence at which reflected light is totally polarised f...

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  14. A polaroid is placed at 45^(@) to an incoming light of intensity I(0) ...

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  15. Plane polarised light is passed through a Polaroid. On viewing through...

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  16. A ray of light is incident on the surface of a glass plate at an angle...

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  17. A beam of light strickes a piece of glass at an angle of incidence of ...

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  18. Polarized glass is used in sun glasses because:

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  19. When unpolarized light beam of incident from air onto glass (n=1.5) at...

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  20. When the angle of incidence on a material is 60^(@), the reflected lig...

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