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In order to raise the resolving power of...

In order to raise the resolving power of the electron mocroscope we should

A

retard the electron

B

increases the de-Broglie wavelenght of the electron

C

acceleerate the electron through low potential

D

acceleerate the electron through high potential

Text Solution

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The correct Answer is:
D
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NIKITA PUBLICATION-INTERFERENCE AND DIFFRACTION-MULTPLE CHOICE QUESTIONS
  1. The ability of an optical instrument to show the images of two adjacen...

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  2. The limit of resolution of an optical instrument arises on account of

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  3. In order to raise the resolving power of the electron mocroscope we sh...

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  4. Resolving power of a microscope is increased by

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  5. The reciprocal of the smalles angular separation between two distance ...

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  6. In the resolving power of microscope the quantity mu sin theta( accor...

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  7. Resolving power of telescope can be inceased by

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  8. Radio telescope is used to see

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  9. Resolving power of an optical instrument is associated with

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  10. The aperture of telescope is increases to

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  11. The resolving power of a telescope dependeson

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  12. The correct relation between limit of resolution and resolving power i...

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  13. Two stars distance two light yers are just resolved by a telescope. T...

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  14. The diameter of an eye lens is 2.5xx10^(-3) m and the refractive index...

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  15. A windwo fitted with a wire mesh and distant 200 m is being viewed wit...

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  16. Two stars are situated at a distance of 8 light years from the earth. ...

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  17. The diameter of an objective of a telescope, which can just resolve tw...

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  18. Two points sources distance 0.1 m are viewed by a telescope. The objec...

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  19. The numerical aperture of an objective of a microscope is 0.5 and the ...

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  20. Eye is most senstive to light of wavelenght 5550Å. If the diamter of t...

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