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A s-orbital is symmetricla aout the :...

A s-orbital is symmetricla aout the :

A

x-axis only

B

y-axis only

C

z-axix only

D

Nucleus

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The correct Answer is:
D
s-orbitals are summetrical about th nucleus due to spherical shape .
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P BAHADUR-ATOMIC STRUCTURE-Exercise 3A
  1. The enrgy level fo 4s-orbital is less than 3d- orbital because :

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

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  3. A s-orbital is symmetricla aout the :

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  4. Which orbital has appearance like a body soother ?

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  5. Degenrate orbitals means :

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  6. Which is correct paramagnetic or der ?

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

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

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  9. The electronic configuration of .(46)Pd is :

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  10. The pair having identical velue fo e//m:

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  11. For an electron the product of velocity fo electron and pricipa quantu...

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  12. Which of the following corresponds to one node ?

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  13. For a satellite moving in an orbit aroun the earth the ratio of kineti...

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  14. A photosensitve metallic surface has work fuction hv0 If photons of ...

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  15. The work functions for metals A, B and ( C) are presepctively 1. 92 ...

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  16. Carbo , silicon and Germanitum atomshave four valence electrons each ....

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  17. The total enrgy of electron in the firdt state fo H-atom is -3 . 4 eV...

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  18. If lambdav, lambdax and lambdam represents the wavelength of visible...

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  19. Which of the following connot be obtained form the solution of Schrodi...

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  20. Which of the following does not characteristic X -rays ?

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