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Which one of the series of hydrogen spec...

Which one of the series of hydrogen spectrum is in the visible region ?

A

Lyman series

B

Balmer series

C

Paschen series

D

None of the above

Text Solution

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The correct Answer is:
B
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PRADEEP-ATOMS AND NUCLEI-Exercise
  1. The ratio of radii of orbits correponding to first and second excited ...

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  2. What is the ionisation potential of hydrogen atom?

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  3. Which one of the series of hydrogen spectrum is in the visible region ...

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  4. The correct relation for impact parameter, where symbols have their us...

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  5. The diameter of first orbit of hydrogen atom is of the order of

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  6. Total energy of electron in nth stationary orbit of hydrogen atom is

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  7. What is the value of Rydberg constant?

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  8. A coording to Thomson model, the entire mass and positive charge of an...

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  9. The size of atomic nucleus is of the order of............ m and size ...

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  10. Total energy of electron in orbit of an atom is............. .This ind...

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  11. Lyman series lies in............region and Balmer series lies in.........

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  12. According to Bohr, angular momentum...............in hydrogen atom is....

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  13. The radii of stationary orbits are in the ratio............ .

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  14. Orbital velocity of electron is outer orbits is............as compared...

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  15. In the first stationary orbit of hydrogen atom, the frequency of revol...

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  16. Total energy of electron in outer orbits is........that in...............

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  17. An alpha particle of K.E. 10^(-12)J exibits back scattering form a gol...

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  18. A beam of alpha-particle of velocity 2.1xx10^(7)m//s is scattered by a...

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  19. In a head on collision between an alpha particle and gold nucleus, the...

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  20. Calculate the impact parameter of a 5MeV alpha particle scattered by 1...

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