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the energy required to excite an electro...

the energy required to excite an electron in hydrogen atom to its first excited state is

A

13.6ev

B

12.1 ev

C

10.2 ev

D

5.1 ev

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The correct Answer is:
C
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AAKASH SERIES-ATOMS-EXERCISE -IA
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  4. When electron jumps from n = 4 to n = 1 orbit, we get

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  5. When an electrons jumps from higher orbit to the second orbit in He^+ ...

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  9. When a hydorgen atom is excited from ground state to first excited sta...

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  10. Which of the following is not correct about bohr model of the hydrogen...

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  11. In the Bohr's model of a hydrogen atom, the centripetal force is furni...

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  12. The Bohr model of atoms

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  13. Bohr's model of hydrogen atom.

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  14. Three photons coming from excited atomic-hydrogen sample are picked up...

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  17. When a hydrogen atom is raised from the ground state to an excited sta...

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  19. In which of the following systems will be the radius of the first orbi...

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