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Aged person cannot see the nearby object...

Aged person cannot see the nearby objects . It is called _______.

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presbyopia
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SURA PUBLICATION-OPTICS-ADDITIONAL QUESTIONS & ANSWER (Fill in the blanks (Covers whole unit))
  1. Magnification power of microscope has to times more magnification po...

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  2. Compound microscope has to times more magnification power than simpl...

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  3. A microscope is used to measure very small length with high degree of...

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  4. The least count of a travelling microscope is

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  5. is an optical instrument used to see distant objects.

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  6. The first telescope was invented by in 1608.

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  7. made a telescope to observe distant stars.

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  8. The invented telescope was similar to the astronomical telescope.

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  9. A microscope works based on the principle of vernier.

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  10. The minimum distance required to see the objects distinctly without st...

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  11. is know as long sightedness.

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  12. Aged person cannot see the nearby objects . It is called .

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  13. mirrors are used in relfecting telescope.

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  14. Galilean telescope, Keplerian telescope are some of the example of te...

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  15. The ratio of speed of light in vaccum to the speed of light medium is ...

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  16. The energy of incident and scattered beam of light are not same, that ...

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  17. Mie scattering is caused by , and .

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  18. The scattering of light contains additional frequencies than incident ...

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  19. When light passing through Reflected wave will be parallel in convex ...

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  20. The band of colours is termed as .

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