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The size of a microscopic particle is 1 micron and its mass is `6 xx 10^(-13)g`. If its position may be measured to within 0.1% of its size, the uncertainity in velocity (in `cm^(-1)`) is approximately

A

`(10^(-7))/(4pi)`

B

`(10^(-5))/(4pi)`

C

`10^(-5)`

D

`10^(-8)`

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The correct Answer is:
A
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AAKASH SERIES-ATOMIC STRUCTURE-Level - I (MAIN) (Exercise - III (De-Broglie.s Theory , Heisenberg Principle , Schrodinger equations & orbitals ))
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  5. The uncertainity in the position of an electron (mass 9.1 xx 10^(28)g)...

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  6. There is no difference between a 2p and a 3p orbital regarding

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  7. The probability of finding electron in XY plane for P(Z) - orbital is

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  8. The de Broglie wavelength of a tennis ball of mass 60 g moving with a ...

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  9. The de Broglie wavelength associated with a ball of mass, 200g and mov...

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

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

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  12. Uncertainity in position of a minute particle of mass 25 g in space is...

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

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  14. The uncertainity in the momentum of a particle is 3.31 xx 10^(-2) kg m...

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  15. he number of nodal planes for P(x) orbitals is

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  16. Number of nodes in 3p orbital is

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  17. The orbital without nodal planes is

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

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  19. Which d-orbitals has its four lobes along the axes

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  20. The density of electron cloud of the orbital d(xy) in yz plane is

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