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how fast is an elecreon moving if it has...

how fast is an elecreon moving if it has a wavelength equal to the distance travelled in one second ?

A

` sqrt m/h`

B

`sqrt h/m`

C

`sqrt h/p`

D

`sqrt h/(mKE)`

Text Solution

Verified by Experts

The correct Answer is:
B
`lambda= h/(mu)` if `lambda =u`
` u = sqrt h/m` .
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P BAHADUR-ATOMIC STRUCTURE-Exercise 3A
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  2. F-orbitals in presence of magnetic field are :

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  3. how fast is an elecreon moving if it has a wavelength equal to the dis...

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  4. The work functio of a substance is 4.0 eV. The longest wavelength of ...

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  5. The electron in a hydrogen atom makes a transition from an excited sta...

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  6. The transition from state n = 4 to n = 3 in a He^(o+) ion result in u...

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  7. A hydrogen atom and a Li^(2+) ion ae both in the second excited state ...

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  8. psi(310) has :

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  9. de-Broglie concept of wave is related to :

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  10. Which of the following is correct for the same radius of ion ieach pai...

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  11. IE1 for .1H^2 and IE1 for .1H^1 are related as ?

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  12. The spein multipltcity for the orbital enryron si 2s +1where (s) is t...

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  13. The enrgy level fo 4s-orbital is less than 3d- orbital because :

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  14. The number fo spectiral lines produced according to Bohr's concept whe...

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  15. A s-orbital is symmetricla aout the :

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  16. Which orbital has appearance like a body soother ?

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  17. Degenrate orbitals means :

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  18. Which is correct paramagnetic or der ?

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  19. In ground state fo .(24)Cr :

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  20. The maxium number of electrons in an orbital having same spin quantum ...

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