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Consider is light beam incident from air...

Consider is light beam incident from air to a glass slab at
Brewster.s angle as shown in Fig.

A Polaroid is placed in the path of the emergent ray at point P and rotated about an axis passing through the centre and perpendicular to the plane of the polaroid.

A

For a particular orientation, there shall be darkness as observed through the Polaroid

B

The intensity of light as seen through the polaroid shall be independent of the rotation

C

The intensity of light as seen through the polaroid shall go through a minimum but not zero for two orientations of the polaroid

D

The intensity of light as seen through the polaroid shall go through a minimum for four orientations of the polaroid

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-WAVES OPTICS-EXERCISE -IA (POLARASATION)
  1. The tangent of polarizing angle is numerically equal to

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  2. Ordinary light is incident on the upper surface of a glass slab at the...

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  3. Ordinary (i.e., unpolarised) lights is incident on the surface of a tr...

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  4. A calcite crystal placed over an ink dot is rotated. On seeing through...

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  5. When unpolarized light is incident on a Tourmaline crystal of proper t...

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  6. The refractive index of the material of the prism and liquid are 1.56 ...

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  7. A double refracting crystal plate gives two refracted rays A and B for...

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  8. Which of the following is wheat fruit?

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  9. Dichroism is the property where

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  10. If a ray of light is allowed to pass through a quartz crystal, then th...

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  11. Which of the folloiwng is dichroic

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  12. The intensity of the polarized light transmitted through the analyzer ...

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  13. A plane polarized light is incident on an analyser and when it is rota...

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  14. When light falls on two polaroid sheets having their axies matually pe...

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  15. Polaroids are used

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  16. The synthetic material used for the preparation of polaroids prosses t...

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  17. If polaroids are to be used to avoid glares of in coming light then

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  18. When light falls on two polaroid sheets, one observes complete brightn...

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  19. Choose the correct statement.

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  20. Consider is light beam incident from air to a glass slab at Brewster...

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