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It travelling at same speeds, whichof th...

It travelling at same speeds, whichof the following mater waves have the shortest wavelength?

A

Electron

B

Alpha particle `(He^(2+))`

C

Neutron

D

Proton

Text Solution

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The correct Answer is:
B
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MODERN PUBLICATION-STRUCTURE OF ATOM-COMPETITION FILE ,OBJECTIVE TYPE QUESTIONS (A. MULTIPLE CHOICE QUESTIONS)
  1. Three energy levels E1, E2 and E3 and the wave lengths produced by tra...

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  2. The de-Broglie wavelength of an electron is 600 nm. The velocity of th...

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  3. It travelling at same speeds, whichof the following mater waves have t...

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  4. If uncertainty in possition of electron is zero, then the uncertainty...

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  5. Which of the following orbitals does not make sense ?

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  6. Two electrons occupying the same orbital are distinguished by :

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  7. The designation of a sub-shell with n=4 and l=3 is

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  8. For a given value of quantum number l , the number of allowed values o...

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  9. The maximum number of 4d - electrons having spin quatum number s = + 1...

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  10. The maximum number of electrons in a subshell is given by the expressi...

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  11. A subshell with n=6 , l= 2 can accommodate a maximum of

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  12. For which of the following set of quantum numbers, an electron will ...

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  13. An electron having the quantum numbers n=4, l=3 , m=0 , s=-1/2 would b...

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  14. Which of the following orbital designations is not correct correspondi...

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  15. The orbital angular momentum for an electron revolving in an orbit for...

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  16. The following quantum numbers are possible for how many orbitals (s) n...

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  17. The correct ground state electronic configuration of chromium atom is ...

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  18. In manganese atom , Mn (Z = 25), the total number of orbitals populate...

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  19. Which of the following has maximum number of unpaired electrons?

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  20. Azimuthal quantum number of last electron of .(11)Na is

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