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If radiation of all wavelengths from ult...

If radiation of all wavelengths from ultraviolet to infrared ispassed through hydrogen gas at room temperature absorption lines will be observed in the

A

Lyman series

B

Balmer series

C

Both ( A) and ( B)

D

neither ( A) and ( B )

Text Solution

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The correct Answer is:
A
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MOTION-MODERN PHYSICS -1-EXERCISE-2(LEVEL-I)
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  2. Consider the spectral line resulting from the transition n =2 rarr n =...

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  3. In an atom, two electrons move around nucleus in circular orbits of ra...

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  4. The electron in hydrogen atom in a sample is in n^(th) excited state, ...

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  5. An electron in hydrogen atom first jumps from second excited state to ...

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  6. In an excited state of hydrogen like atom an electron has total energy...

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  7. If radiation of all wavelengths from ultraviolet to infrared ispassed ...

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  8. In the hydrogen atom, if the reference level of potential energy is as...

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  9. A photon of wavelength 0.1 A is emitted by a helium atom as a conseque...

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  10. An electron collides with a fixed hydrogen atom in its ground state. H...

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  11. A plane light wave of intensity I=0.20Wcm^-2 falls on a plane mirror s...

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  12. A plane wave of intensity I=0.70W cm^(-2) illuminates a sphere with id...

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  13. A particle of mass 3m at rest decays into two particles of masses m an...

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  14. Assuming that the mass of proton is nearly equal to mass of neutron th...

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  15. If 10000 V is applied across an X-ray tube, what will be the ratio of ...

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  16. If the potential difference applied across a Coolidge tube is increase...

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  17. The wavelength of k(alpha) X- rays produced by an X - rays tube is 0....

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  18. The shortest wavelength produced in an X-ray tube operating at 0.5 mil...

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  19. If the radiation of Mo (Z = 42) has a wevelength of 0.71Å, calculate w...

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  20. In a Coolidge tube experiment, the minimum wavelength of the continuou...

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