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The speed of light in a medium is low be...

The speed of light in a medium is low because of low refractive index of the medium.

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Correct statement- The speed of light in a medium is low because of high refractive index of the medium.
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SURA PUBLICATION-OPTICS-ADDITIONAL QUESTIONS & ANSWER (State whether the following statements are true or false. Correct the statement if it is false.)
  1. Light always travelss along curved line.

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  2. Material medium is needed for the propagation of light.

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  3. Different coloured light has same wavelength and frequency.

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  4. Incident ray and refracted ray lie in different plane.

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  5. The speed of light in a medium is low because of low refractive index ...

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  6. When white light pass through transparent medium, it is split into col...

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  7. Amount of scattering of light is directly proportional to fourth power...

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  8. In inelastic scattering, the energy of incident and scattering light a...

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  9. The amount of scattering is independent of wavelength in Rayleight sca...

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  10. In Raman Scattering , the scattered light contains the lines having fr...

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  11. The line joining the centre of curvature and the optic centre is pole.

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  12. When a ray strikes the pole or optic centre of the concave or convex l...

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  13. Concave lenses are used in camera lenses.

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  14. Concave lens is used to correct hypermetropia.

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  15. If magnification is greater than one diminished image will be obtained...

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  16. The unit of power of the lens is m.

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  17. Rayleigh's scattering is inelastic scattering.

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  18. The distance between optic centre and centre of curvature is called as...

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  19. Concave lens is used as 'Magnifying lens'.

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  20. The final image formed by the astronomical telescope is 'erect image'.

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