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A ray of light incident on a medium at p...

A ray of light incident on a medium at polarising angle.what will be the angle between the reflected and the refracted rays?
Or, an unpolarised ray of light is incident on a rectangular glass block at Brewster's angle. What will be the angle between the reflected and the refracted rays?

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The correct Answer is:
`90^(@)`
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If a ray of light is incident on a reflecting medium at the polarising angle, prove that the reflected and the refracted rays are at 90^(@) to each other.

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CHHAYA PUBLICATION-DIFFRACTION AND POLARISATION OF LIGHT-EXERCISE (VERY SHORT ANSWER TYPE QUESTIONS)
  1. Why does ultrasonic wave not exhibit polarisation?

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  2. When light is polarised, how does its intensity change?

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  3. Sunray, sodium light, head light of an automobile- which of these ligh...

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  4. What is the angle of between the plane of polarisation and the directi...

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  5. Tourmaline is a hexagonal crystal. The longest diagonal of the crystal...

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  6. If a beam of light its vibrations restricted to one plane instead of d...

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  7. The plane containing the direction of propagation of light and perpen...

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  8. A ray of light incident on a medium at polarising angle.what will be t...

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  9. If the polarising angle for air-glass interface be 56^(@), what will b...

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  10. What is the relation between polarising angle i(p) and refractive inde...

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  11. For a slab, polarising angle is (pi)/(3) rad. What is the refractive i...

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  12. The angle of polarisation for glass, is about [ Fill in the blank].

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  13. The particular angle of incidence, for which the degree of polarisatio...

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  14. If Brewster's angle be theta, then the magnitude of the critical angle...

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  15. Give an example of a double refracting crystal.

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  16. The ordinary ray i.e., O-ray obeys the general laws of refraction of l...

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  17. In case of negative crystals the velocity of E-ray is than that of O-...

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  18. Quartz is a crystal [fill in the blank].

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  19. If refractive indices of a positive crystal for O-ray and E-ray are mu...

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  20. Use of instead of glass in high quality sunglasses is more pleasant f...

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