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Which of the following has the largest d...

Which of the following has the largest de Broglie wavelength (all have eual velocity)?

A

`CO_(2)` molecule

B

`NH_(3)` molecule

C

Electron

D

Proton

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NARENDRA AWASTHI-ATOMIC STUCTURE-Exercise
  1. Select the incorrect statement.

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  2. Which is the de-Broglie equation?

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  3. Which of the following has the largest de Broglie wavelength (all have...

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  4. The de-Broglie wavelength associated with a particle of mass 10^-6 kg ...

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  5. For two particles A and B, curves are plotted sqrtV against de-Broglie...

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  6. Which of following graphs correctly represents the variation of partic...

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  7. An excited state of H atom emits a photon of wavelength lamda and retu...

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  8. A dye absorbs a photon of wavelength lambda and re- emits the same ene...

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  9. Be^(3+) and a proton are accelerated by the same potential, their de-...

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  10. de Broglie wavelength of an electron after being accelerated by a pote...

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  11. An electron travels with a velocity of x ms^(-1). For a proton to have...

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  12. The momentum ("in" kg-m//s) of photon having 6 MeV energy is :

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  13. The number of photons of light having wave number 'x' in 10 J of energ...

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  14. Which of the following relates to photons both as wave motion and as a...

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  15. If a(0) be the radius of first Bohr's orbit of H-atom, the de-Broglie'...

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  16. Energy required to ionise 2 mole of gaseous He^(+) ion present in its ...

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  17. Which of the following is the most correct expression for Heisenberg's...

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  18. The Heisenberg uncertainty principle can be applied to:

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  19. The mass of a particle is 10^(-10)g and its radius is 2xx10^(-4)cm. If...

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  20. If an electron is travelling at 200 m/s within 1 m/s uncertainty, whta...

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