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de-Brogile wavelength of an electron is ...

de-Brogile wavelength of an electron is `10 overset(@)A` then velocity will be-

A

`7.2 xx 10^7 m//s`

B

`7.2 xx 10^6 m//s`

C

`7.2 xx 10^5 m//s `

D

`7.2 xx 10^4 m//s`

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-MATTER WAVE-EXERCISE 1 (SECTION A : WAVE NATURE OF MATTER , DE-BROGLIE RELATION )
  1. The momentum of photon of frequency 10^9 Hz will be -

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  2. Through what potential difference should an electron be accelerated so...

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  3. de-Brogile wavelength of an electron is 10 overset(@)A then velocity w...

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  4. Velocity of a proton is c/20. Associated de-Broglife wavelenght is (Ta...

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  5. A photon of light enters a block of glass after travelling through vac...

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  6. The energy of analpha -Particle, whose de-broglie wavelength is 0.004 ...

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  7. The energies of an photon and an electron of mass m are same. The rati...

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  8. Two particles of mass m1 and m2 respectively are identically charged ...

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  9. An electron is 2000 times lighter than a proton. An electron and a pro...

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  10. A particle initially at rest having charge q coulomb, & mass m kg i...

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  11. If the momentum of electron is changed by P(m) then the de-Broglie wa...

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  12. The thermal energy of a particle at temperature T^@K is kT, then the ...

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  13. The average thermal energy of neutrons each of mass m at temperature T...

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  14. The de Broglie wavelength associated with a nitrogen molecule at atmos...

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  15. Ratio of wavelength of duetron & proton accelerated by equal potential...

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  16. The de-Broglie wavelength of electron in gound state of an hydrogen at...

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  17. From rest an electron is accelerated between two such points which has...

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  18. An alpha -particle and a singly ionized ""4Be^8 atom are accelerated ...

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  19. The de-Broglie wavelength associated with an electron having a kineti...

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  20. The de-broglie wavelength of the electron in the second Bohr orbit is ...

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