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Uncertainity inposition of a minute part...

Uncertainity inposition of a minute particle of mass 25 g in space is `10^(-5) m`. What is the uncertainity in its velocity (in `ms^(-1)`) ? `(h = 6.6 xx 10^(-34) Js)`

A

`2.1 xx 10^(-34)`

B

`0.5 xx 19^(-34)`

C

`2.1 xx 10^(-28)`

D

`0.5 xx 10^(-23)`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-ATOMIC STRUCTURE-Objective exercise - 1
  1. The de Broglie wavelength associated with a ball of mass, 200g and mov...

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  2. If uncertainity in position is zero, the uncertainity in momentum of a...

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  3. Uncertainity inposition of a minute particle of mass 25 g in space is ...

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  4. The uncertainity in momentum of an electron is 1 xx 10^(-5) kg.m//s. T...

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  5. Identify the correct set from the following for fundamental particles ...

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  6. The uncertainty in the momentum of a particle is 3.31 xx 10^(-2) kgms^...

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  7. According to Schrodinger model, nature of electron in an atom is as

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  8. Which one of the following expressions represent the electron probabil...

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  9. Radial part of the wave function depends on quantum numbers

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  10. p-orbitals are ---- degenerate

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  11. Number of nodal planes that a p-orbital has

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  12. Which of the following is correct with respect to 'p' orbitals ?

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  13. The maximum number of electrons accomodated in 5f orbitals

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  14. The maximum probability of finding an electron of a particular energy ...

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  15. Which one of the following conditions incorrect for a well behaved wav...

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  16. (A) : The p-orbital has dumb ball shape (R) : Electron present in p-...

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  17. The number of nodal planes for P(x) orbital is

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  18. Number of nodes in 3p orbital is

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  19. The orbital without nodal plane is

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  20. The no. of spherical nodes in a 4s orbital is

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