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The transition from the state n = 4 " to...

The transition from the state `n = 4 " to " n = 3` in a hydrogen like atom results in ultraviolet radiation Infrared radiation will be obtained in the transition from

A

`4 rarr 2`

B

`5 rarr 4`

C

`2 rarr 1`

D

`3 rarr 2`

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The correct Answer is:
B
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ALLEN-SIMPLE HARMONIC MOTION-Exercise-04 [B]
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  4. Energy required for the electron excitation in Li^(++) from the first ...

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  5. Hydrogen atom is excited from ground state to another state with prin...

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  6. A diatomic molecule is made of two masses m(1) and m(2) which are sepa...

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  7. In a hydrogen like atom electron makes transition from an energy level...

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  8. Hydrogen (.(1)H^(1)), Deuterium (.(1)H^(2)), singly ionised Helium (...

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  9. The radiation corresponding to 3 rarr 2 transition of hydrogen atom fa...

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  10. Sodium and copper have work functions 2.3 eV and 4.5 eV respectively. ...

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  11. Formation of covalent bonds in compound exhibits

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  12. Two identical photocathode receive light of frequency f(1) and f(2) i...

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  13. A radiation of energy E falls normally on a perfectly reflecting surfa...

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  14. According to Einstein's photoelectric equation, the graph of kinetic e...

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  15. The work function of substance is 4.0 eV. The longest wavelength of li...

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  16. A photocell is illuminated by a small bright source placed 1 m away . ...

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  17. If the kinetic energy of a free electron doubles . Find the factor by ...

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  18. The threshold frequency for a metallic surface corresponds to an energ...

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  19. The time taken by a photoelectron to come out after the photon strikes...

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  20. The anode voltage of a photocell is kept fixed. The wavelength lamda o...

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