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The magnification produec in an electron...

The magnification produec in an electron microscope is of the order of

A

10

B

`10^3`

C

`10^5`

D

`10^7`.

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MODERN PUBLICATION-UNIT TEST -07-EXERCISE
  1. Einstein's photoelectric equation is expressed as

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  2. Light of two difference efrequencyies,whose phtothns have energies 1 e...

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  3. The maximum velocity of an elecron ejected from a photoelectric emitte...

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  4. When radiation is incident on a photoelectron emitteer,the stopping po...

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  5. An image of the sun is formed by a lens of focla length 50 cm on a pho...

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  6. If c is velocity of light ,then momentum of a photon of frequency is

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  7. The energy of a photon is 3 xx 10^(-19) J.Its momentum is

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  8. The energy E and momentum p of a photon is given by E=h v and p= h//la...

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  9. The de-Broglie wavelength of an elecrtron mov ing with a speed of 6.6 ...

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  10. The wavelength of an electron moving with a velocity of 500 km s^(-1) ...

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  11. The de-Broglie wavelength lambda of a particle is related to ites kine...

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  12. Neglecting variation of mass with energy, the wavelength associated wi...

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  13. Consider a proton moving with kinetic energy E. Its de-Broglie wavelen...

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  14. An electron accelerated through a potential difference of V volt has a...

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  15. An electron is accelerated through a potential difference of 150 V. Th...

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  16. An electron is accelerated through a potential difference of 1,00,000V...

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  17. A photon and an electron have the same wavelength.Then,the velocity of...

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  18. One can study crystal structure by electron diffraction as well as by ...

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  19. The magnification produec in an electron microscope is of the order of

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  20. An electron microscope given higher magnification than an optical micr...

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