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An electron beam after hitting a nicket ...

An electron beam after hitting a nicket crystal produces a diffraction pattern. What do you conclude ?

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Electron has wave-nature
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PRADEEP-STRUCTURE OF ATOM-Conceptual Questions
  1. What is the main difference between wave emitted by a bulb or heater a...

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  2. Why the ball hit with a hockey by a player does not make a wave ?

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  3. An electron beam after hitting a nicket crystal produces a diffraction...

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  4. An electron beam on hitting a ZnS screen produces a scintillation on i...

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  5. The effect of uncertainty principle is significant only for motion of ...

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  6. Can we apply Heisenberg's uncertainty principle to a stationary state ...

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  7. Name the quantum number which does not follow from the solution of Sc...

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  8. What is the difference between the notations l and L ?

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  9. Which of the four quantum number (n, l, m(l), m(s)) determine (a) the ...

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  10. Why Pauli exlusion principle is called exlusion principle ?

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  11. At what distance is the radial probability maximum for 1s orbital ? Wh...

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  12. Do atomic orbitals have sharp boundaries ? Explain why or why not ? or...

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  13. Draw the shapes (boundary surfaces) of the following orbitals: (a) 2...

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  14. Discuss the similarities and differences between a 1s and 2s orbital.

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  15. How many radial/spherical nodes will be present in the 5f orbital ?

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  16. (i) What is common between d9xy) and d(x^(2) - y^(2)) orbitals ? (ii) ...

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  17. For each of the following pair of hydrogen orbitals, indicate which is...

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  18. Which orbital in each of the following pairs is lower in energy in a m...

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  19. Why Hund's rule is called rule of maximum multiplicity ?

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  20. How many electrons in sulphur (Z = 16) can have n + l = 3 ?

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