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Suppose P is polarising angle for a tran...

Suppose P is polarising angle for a transparent medium an the speed of light in the medium is v.Then,according to Brewster's law

A

` p= cot^(-1) v //c`

B

`p = cos^(-1) v//c`

C

`p = sin^(-1) v //c`

D

`p = cosec^(-1) v // c`.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. The aperture of the largest telescope in teh world is of the order of ...

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  2. Which of the following phenomenon shows the transverse nature of light...

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  3. The waves that cannot be polarised are:

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  4. When a polariod is rotated,the intenstiy of ligth is not found to vary...

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  5. What are plane of polarisation and plane of vibration?

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  6. In the propagation of ligth waves,the ngle between the direction of pr...

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  7. When the light is incident at the polarising angle ,which of the follo...

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  8. A ray of light is incident on a medium at polarising angle .What is th...

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  9. What is the polarising anle of a medium of refractive index sqrt3?

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  10. The expression relating polarising angle nad refrractive indes is

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  11. If the speed of light and the polarising angle for a given medium are ...

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  12. Suppose P is polarising angle for a transparent medium an the speed of...

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  13. A ray of light is incident on a medium at polarising angle .What is th...

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  14. Which of the following materials may be used to produce polaroids?

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  15. The property of rotating the plane of polarisation is known as

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  16. When a polaroid is rotated,the intesntiy of light varies and correspon...

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  17. When a polaroid is rotated,the intensity of light varies but never red...

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  18. The specific rotation of an optically active substance of lenth l cm a...

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  19. A decimetre length of solution with concentratin 500 kg m^(-3) rotate...

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  20. The specific rotation of a liquid of lenth 10 cm,concentration 2 g cm^...

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