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An electron in a hydrogen atom makes a t...

An electron in a hydrogen atom makes a transition `n_(l) rarr n_(2)`, where `n_(1) and n_(2)` are principal quantum numbers of the states. Assume the Bohr's model to be valid. The time period of the electron in the initial state is eight times to that of final state. What is ratio of `n_(2)//n_(2)`

A

`8 : 1`

B

`4 : 1`

C

`2 : 1`

D

`1 : 2`

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The correct Answer is:
C
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AAKASH SERIES-ATOMS-EXERCISE - II
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  2. The ratio of the largest to shortest wavelengths in Balmer series of h...

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  3. An electron in a hydrogen atom makes a transition n(l) rarr n(2), wher...

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  4. Any radiation in the ultra violet region of Hydrogen spectrum is able ...

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  5. A hydrogen atom emits a photon corresponding to an electron transtion ...

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  6. The wave number of energy emitted when electron jumbs from fourth orbi...

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  7. In a Bohr atom the electron is replaced by a particle of mass 150 time...

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  8. If the wavelength of first member of Balmer series of hydrogen spectru...

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  9. A hydrogen-like atom (atomic number Z) is in a higher excited state of...

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  10. Electrons from n = 2 to n= 1 in hydrogen atom is made to fall on a met...

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  11. Let vartheta(1) be the frequency of the series limit of the Lyman seri...

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  13. In Rutherford experiments on alpha-ray scattering the number of partic...

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  14. An alpha nucleus of energy 1/2 m vartheta^(2) bombards a heavy nuclear...

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  15. In Rutherford's alpha particle scattering experiment with their gold f...

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  16. An alpha-particle of energy 5 Mev is scattered through 180^(@) by a fi...

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  17. The transition from the state n = 4 to n = 3 in a hydrogen like atom r...

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  18. Energy required for the electron excitation in Li++ from the first to ...

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  19. Hydrogen (""(1)H^(1)), Deuterium (""(1)H^(2)), singly ionized Helium (...

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