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The total energy of electron in an atom ...

The total energy of electron in an atom is a combination of potential energy and kinetic energy. If total energy is `-E` for an electron in an atom, then its K.E. and P.E. respectively are 

A

`2E, -E`

B

`2E,E`

C

`E, -2E`

D

`E,-E`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-ATOMIC STRUCTURE-OBJECTIVE EXERCISE - 2
  1. Which of the following transistions in hydrogen atom will require the ...

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  2. The energy of an electron in the first Bohr's orbit of a hydrogen atom...

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  3. The total energy of electron in an atom is a combination of potential ...

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  4. The radius of which of the following orbit is same as that of the firs...

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  5. The change in velocity when electron jumps from the first orbit to the...

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  6. As an electron is brought from an infinite distance close to nucleus o...

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  7. In Bohr series of lines of hydrogen spectrum, the third line from the ...

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  8. The Ionisation potential of Hydrogen is 2.17 xx10^(-1) erg/atom. The e...

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  9. Kinetic energy of electron in a mono electronic species is +1313 lJ/mo...

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  10. Ionisation energy of He^(+) is 19.6 xx 10^(-18)"J atom"^(-1) The energ...

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  11. The wavelength of radiation required to remove the electron of hydroge...

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  12. The velocity of electron in hydrogen atom is 7.29 xx 10cm/sec. The pot...

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  13. In an atom two electrons move around the nucleus in circular orbits of...

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  14. E(1) for He is -54.4 eV. The E(2) for He^(+) would be

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  15. Using Bohr's equation for the energy levels of the electron in Hydroge...

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  16. The de Broglie wavelength associated with a moving particle of fixed m...

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  17. For an electron to have the same de Broglie wave length as that of a D...

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  18. What possibly can the ratio be of the de Broglie wavelengths for two e...

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  19. The wavelength in meters, of an object of mass 1.0g moving with a velo...

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  20. A hydrogen molecule and helium atom are moving with the same velocity....

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