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A 12.5eV electron beam is used to bombar...

A 12.5eV electron beam is used to bombard gaseous hydrogen at room temperature What series of wavelengths will be emitted.

A

2 lines in the Lyman series and 1 line in the Balmar series

B

3 lines in the Lyman series

C

1 line in the Lyman series and 2 lines in the Balmar series

D

3 lines in the Balmer series

Text Solution

Verified by Experts

The correct Answer is:
A

2 lines in the Lyman series and 1 line in the Balmar series
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DISHA PUBLICATION-ATOMS-EXERCISE-2: CONCEPT APPLICATOR
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  9. An electron , in a hydrogen-like atom, is in excited state. It has a t...

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  10. The ionization energy of a hydrogen like Bohr atom is 4 Rydbergs. If, ...

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  12. Suppose an electron is attracted toward the origin by a force(k)/(r ) ...

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  14. If in hydrogen atom, radius of n^(th) Bohr orbit is rn., frequency of ...

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  15. In the Bohr model of a hydrogen atom, the centripetal force is furnish...

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  16. An electron in the hydrogen atom jumps from excited state n to the gro...

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  17. In the Bohr's model of hydrogen-like atom the force between the nucleu...

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  18. the wavelength of radiation emitted is lambda0 when an electron jumps....

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  19. In Bohr's model of the hydrogen atom, let R, V, T and E represent the ...

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  20. An electron in hydrogen atom makes a transition ni to n2 where n1 and...

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