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determines speed of light in a medium....

_______ determines speed of light in a medium.

A

thickness

B

wavelength

C

refractive index

D

both b & c

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The correct Answer is:
D
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SURA PUBLICATION-OPTICS-ADDITIONAL QUESTIONS & ANSWER (Choose the Correct Answer)
  1. Violet light has the wavelength

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  2. We can see objects because of .

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  3. determines speed of light in a medium.

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  4. When light travels from rarer to denser medium, the refracted ray is ...

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  5. For air, the refractive index is

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  6. When a ray of light travels from one medium to another, it bends. This...

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  7. The splitting up of white light into colours is called .

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  8. On a rainy day, small oily films on water show brilliant colours. This...

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  9. Rainbow formation is due to water droplets .

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  10. Red light is used in traffic signals because .

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  11. A star appears twinkling in the sky because of by the atmosphere .

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  12. When a beam of light is passed through a colloidal solution , the ligh...

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  13. If the energy of incident beam and the scattered beam are same, then ...

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  14. The phenomenon of scattering of light by the sol particles is called

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  15. The scattering of light by pure light is scattering .

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  16. The scattered light in Raman scattering contains lines

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  17. Convex lens produces a beam of light

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  18. A concave lens is a .

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  19. In spherical lenses, all distance are measured from .

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  20. The part of the lens through which the ray of light passes without suf...

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