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Observe the given figure. Name the eye d...

Observe the given figure. Name the eye defect indicated in the figure and also mention the lens used to correct this defect.

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Defect-Myopia. Correction is by using convex lens of suitable focal length.
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ZEN PUBLICATION-THE HUMAN EYE AND THE COLOURFUL WORLD-ZEN ADDITIONAL QUESTIONS SECTION - VERY SHORT ANSWER TYPE QUESTIONS
  1. An aged person is having difficulty in seeing nearby objects clearly. ...

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  2. Bifocal lenses are used to correct which defect of vision ?

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  3. Observe the given figure. Name the eye defect indicated in the figure ...

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  4. Shilpa is using spectacles. Is she eligible to pledge to donate her ey...

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  5. What is disporsion of light? Mention the colour that bonds the least a...

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  6. Name the colours that constitute white light in the order of increasin...

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  7. List the colours observed in a spectrum through a prism in the increas...

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  8. Light of two colours A and B passes through a prism. A deviates more t...

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  9. Mention one difference between refraction in a prism and a glass slab.

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  10. A glass prism produces a spectrum when white light passes through it b...

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  11. Why is the path of sunlight visible when it passes through the canopy ...

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  12. Why is it dangerous to drive on a foggy day ?

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  13. Name the colours of spectrum which respectively have (a) maximum wavel...

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  14. Why does disperson occur only on refraction and not on reflection ?

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  15. How does the sky appear from the surface of the moon ?

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  16. What is the reason for atmospheric refraction ?

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  17. On what factor does the colour of the scattered light depend ?

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  18. How does atmospheric refraction affect the duration of the day on the ...

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  19. What is the cause of random wavering or flickering of the objects near...

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  20. Name any two phenomena which arise due to scattering of light in the e...

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