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Assertion (A) : Hydrogen has only one el...

Assertion (A) : Hydrogen has only one electron in its 1s orbital but it produces several spectral lines.
Reason (R) : There are many excited energy levels available in H atoms.

A

S is correct but E is wrong

B

S is wrong but E is correct.

C

Both S and E are correct and E is correct explanation of S

D

Both S and E are correct but E is not correct explanation of S

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The correct Answer is:
C
Explanation is correct reason for statement .
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P BAHADUR-ATOMIC STRUCTURE-Exercise 8
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  2. Statement : Specific charge of alpha-particles is twice to that of pr...

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  3. Statement : d-orbital are five fold non-degenerate in presence of magn...

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  4. Statement : electromangetic radiations will be emitted for the transti...

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  5. Statement : The psi(640) represents an orbital . Explanation : The o...

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  6. Statement : Monochromatic X-rays fall on lighter elements such as carb...

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  7. Statement : .(24)Cr has more paramangetic nature than .(25)Mn. Expl...

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  8. Statement : The possible number of electrons in a subshell is (4l + 2)...

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  9. Statement : Aufbau rule is violated in writing electronic configuratio...

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  10. Humphry series discovered in H-"atomic" spectra has lowest energy rad...

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  11. Assertion (A) : Hydrogen has only one electron in its 1s orbital but i...

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  12. Statement : Wave number of a spectral line for an electronic transitio...

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  13. Statement : The tendency of a atom to reach a stable electronic arrang...

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  14. Statement : For n=3,l may be 0,1 and 2, and (m) may be 0 , 0, +- ...

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  15. Statement : Number of waves in an orbit of atom is equal to number of ...

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  16. Statement : wavelength of (I) line of Humphry series is more than (I) ...

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  17. Statement : All s-orbitla in H-atom corresponds to a non-zero probabil...

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  18. Statement : The energy radiated per unit volume , i.e., energy density...

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  19. Statement : The plot of atomic number ( y -axis ) versus number of neu...

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