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The range of wavelengths converging red ...

The range of wavelengths converging red colour to violet colour is called the _______

A

U.V. spectrum

B

Visible spectrum

C

I.R. spectrum

D

Line spectrum

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BEYOND PUBLICATION-STRUCTURE OF ATOM-EXERCISE
  1. Which of the following is violation of Pauli's exclusion principle ?

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  2. When electric charge vibrates are produced.

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  3. The range of wavelengths converging red colour to violet colour is cal...

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  4. Select the correct answer. 'Electromagnetic energy can be gained or ...

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  5. Which of the following is a failure of Bohr’s atomic model?

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  6. Contribution of Summerfield to be model of atom

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  7. The quantum number which explains about size and energy of the orbit o...

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  8. If n=3, the main shell is

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  9. If, n = 3, the maximum value of l is:

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  10. The value of l for n = 2 are

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  11. The orientation of orbital in space relative to the other orbitals in ...

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  12. For a given value of ‘l’ the number of integer values of ml are

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  13. The clock wise or anticlockwise orientation of electron in an orbit is...

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  14. Which of the following is not a correct set of quantum numbers?

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  15. When an electron moves from higher orbit is produced.

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  16. What is Aufbau principle ?

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  17. The maximum number of electrons in a sub-shell is given by the express...

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  18. quantum number gives spin of electrons about their own axes.

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  19. If the value of principal quantum number is 3, the total possible valu...

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  20. If both spin quantum number values are positive then the spins are

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