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Which of the following has longest wavel...

Which of the following has longest wavelength ?

A

Blue colour

B

Violet colour

C

Red colour

D

Yellow colour

Text Solution

Verified by Experts

Red colour has longest wavelength.
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OMEGA PUBLICATION-STRUCTURE OF ATOM -MULTIPLE CHOICE QUESTIONS (MCQ s)
  1. The mass of the neutron is of the order of

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  2. The number of electrons and neutrons of an element is 18 and 20 respec...

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  3. Which of the following has longest wavelength ?

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  4. The value of Planck's constant is

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  5. Which of the following expresson gives the de-Broglie relationship ?

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  6. The total number of orbitals possible for the quantum number n is

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  7. The four quantum numbers of the valence electron of potassium are

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  8. An electron has principal quantum number 3. The number of its (i) shel...

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  9. The correct set of quantum numbers for a 4d electron is

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  10. No two electrons in an atom will have all the four quantum numbers sam...

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  11. The correct order of increasing energy of atomic orbitals is

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  12. The energy of an electron in nth orbit of hydrogen atom is

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  13. The triad of nuclei that is isotonic is

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  14. Bohr's model can explain

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  15. If the value of l = 2, what will be the value of principal quantum num...

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  16. Rutherford's experiment on scattering of alpha particles showed for th...

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  17. 3d-orbitals have

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  18. Number of unpaired electrons in the electronic configuration 1s ^(2) ,...

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  19. The two electrons in an orbital have different

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  20. The principal which gives a way to fill the electrons in the available...

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