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The change in velocity when electron jum...

The change in velocity when electron jumps from the first orbit to the second orbit is

A

Half its original velocity

B

Twice its original velocity

C

One fourth its original velocity

D

Equal to its original velocity

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The correct Answer is:
A
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AAKASH SERIES-ATOMIC STRUCTURE-Objective Exericse - 2A
  1. The radius of which of the following orbit is same as that of the firs...

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  2. An electron in the ground state of hydrogen atom is revolving in anti ...

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

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  4. Which one of the following statements is not correct ?

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

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

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  7. The radius of the hydrogen atom in the ground state is of the order o...

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  8. The ground state energy of hydrogen atom is - 13.6eV. The kinetic ener...

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  9. Radius of 3rd Bohr orbit is

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  10. The energy of second Bohr'orbit of hydrogen atom is -328 kJ mol^(-1), ...

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  11. Which of the following transistions in hydrogen atom will require the ...

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

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

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  14. Ratio of the distance travelled in 1 second, 2 seconds, 3 seconds

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

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

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  17. Wavelength of an electron is 5Å. Velocity of the electron is

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  18. The wavelength associated with a golf ball weighing 200g and moving at...

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  19. The size of a microscopic particle 1 micron and its mass is 6 xx 10^(-...

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  20. The uncertanities in then velocities of two particle A and B are 0.05 ...

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