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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

Decreases, increases

B

Increases, increases

C

Decreases, decreases

D

Increases, decreases

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The correct Answer is:
D
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AAKASH SERIES-ATOMIC STRUCTURE-Objective exercise - 1
  1. In an atom when an electron jumps from K-shel to M-shell

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  2. Radius of 3rd Bohr orbit is

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

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  4. Match the following : {:("List - 1","List - 2"),((a) "second" ,(e) "...

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  5. What are the postulates of Bohr's model of hydrogen atom ? Discuss the...

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  6. Splitting of spectral lines under the influence of strong magnetic fie...

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  7. Radius of tenth Bohr orbit of the Hydrogen atoms is

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  8. Radius of 3rd Bohr orbit is

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  9. Velocity of the electron in the 1st Bohr orbit

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  10. The energy that is needed to remove an electron from the 1st Bohr orbi...

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  11. The speed of an electron in the inner most orbit of the hydrogen (Bohr...

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  12. The energy of an electron present in Bohr's second orbit of hydrogen a...

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  13. The de-Broglie equation treats an electron to be

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  14. Wavelength of the wave associated with a moving electron

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  15. The uncertainity principle and the concept of wave nature of matter we...

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  16. Bohr's postulate that mv r = (nh)/(2pi) is proved mathematically by

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  17. The momentum of a particle of wave length 1 Å is

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  18. The de Broglie wavelength of a particle with mass 1 g and velocity 100...

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  19. The de Broglie wave length of a riffle bullet of mass 2 grams moving w...

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  20. A cricket ball of mass 0.5 kg is moving with a velocity of 100 ms^(-1)...

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