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Find out the incorrect match...

Find out the incorrect match

A

Electron - Dual nature

B

Rainbow - Discontinuous spectra

C

Atoms - Line spectra

D

Particle nature - Photoelectric effect

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AAKASH INSTITUTE-STRUCTURE OF ATOM -ASSIGNMENT ( SECTION -A) Objective Type Questions (One option is correct)
  1. How many spectral lines are seen for hydrogen atom when electron jump...

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  2. What is the energy associated with 3^(rd) energy shell of hydrgoen ato...

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  3. Find out the incorrect match

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  4. The de -Brogile wavelength associated with a matter particle is

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  5. de-Broglie wavelength applies only to

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  6. The wavelength associated with an electron moving with velocity 10^(10...

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  7. The formula for Heisenberg's uncertainty principle is

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  8. Who first time ruled out the existence of definite paths of electrons ...

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  9. Probability density is given by

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  10. The possible values of magnetic quantum number for p-orbital are

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  11. The notation of orbital with n=5 and l=3 is

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  12. The possible valuesof m(l)in a givensubshell are given by the formula

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  13. The shape of rho- orbital is

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  14. In multi-electron atom 4s-orbital is lower in energy than

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  15. The main energy shell in which the electron is present is given by

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  16. Shape of an orbital is given by

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  17. Orientation of orbitals is given by

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  18. Which one of the following orbitals is spherical in shape ?

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  19. The number of valence electrons in Aluminium is

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  20. Forn=4 , which one of the following values of l is not possible ?

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