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……. Lens produces mostly real images....

……. Lens produces mostly real images.

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For a real object, which of the following can produce a real image?

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FULL MARKS-OPTICS-ADDITIONAL QUESTIONS (II. Fill in the blanks)
  1. The interacting particles of the medium is called as .

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

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  3. The speed of light in a medium is high if the refractive index of the...

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  4. The spectral lines which are having frequences other than the incident...

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  5. ……… lenses are used to correct the defect of vision called hypermetero...

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  6. lenses are used as eye lens of 'Galilean Telescope'

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  7. By convention , the power of a convex lens is taken as ………… whereas th...

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  8. The diameter of eye ball in our eye is .

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  9. ……………. Is achieved by changing the focal length of the lens with the h...

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  10. is the coloured portion of the eye.

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  11. …………… is used to observe parts of flower , insects and finger prints i...

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

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  13. An …………. Telescope is used to view heavenly bodies like strars , plane...

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

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  15. ……….. Is the most sensitive part of human eye.

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  16. A convex lens is ……… in the miiddle than at edges

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  17. ……. Lens produces mostly real images.

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  18. Unit of power is .

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  19. The amount of scattering of light is inversely proportional to the po...

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  20. The refractive index of a medium is dependent on the .

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