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Assuming the velocity to be same , which...

Assuming the velocity to be same , which sub-atomic particle possesses smallest de-Broglie wavelngth :

A

An electron

B

A proton

C

An alpha-partcle

D

All have same wavelnght

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The correct Answer is:
C
de-Broglie wavelngth `lambda = h/( mu) m` is maxiumum for apha-particel ,
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P BAHADUR-ATOMIC STRUCTURE-Exercise 3A
  1. Which represents and orbital ?

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  2. If n and l are respectively the rpincipal and azimuthal quantum numbes...

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  3. Assuming the velocity to be same , which sub-atomic particle possesses...

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  4. How many electron in an atom with atomic number 105 can have (n + l)...

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  5. Which of the following species will produce the shortest wavelength fo...

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  6. The first emission line of Balmer series in H spectrum has the wave nu...

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  7. Which sub-shell has maximum energy (poly-elecronic system ) :

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  8. When greater number of excited hydrogen atoms reach the ground state :

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  9. The number of waver made by an elercrtron moving in an orbit having ma...

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  10. For which of the following process enrgy is absorbed :

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  11. An ion (Mn^(a+)) has the magnetic moment equal to 4.9 B.M What is the ...

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  12. The ratio of kinetic energy and potential energy of an electrron in an...

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  13. The angular momentum of elerctro of H-atom is proprtional to :

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  14. The total number of electron is 1. g CH4 are :

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  15. The probability of finding elercrtron at a distance r form the nucleus...

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  16. In aufbau principle, the word aufbau represents :

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  17. Two elecrtrons A and B in an atom have the following set of quantum nu...

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  18. The first obrital of H or H like atom is represencted by psi = 1/( s...

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  19. Total numbr of nodal planes aresame in :

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  20. The change in molar enrgy noticed during atomic transimission of 5 her...

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