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Which one of the following statements is...

Which one of the following statements is correct ?

A

2S orbital is spherical with two nodal planes

B

The de-Broglie wavelength of a particle of mass 'm' and velocity 'v' is equal to mv/h

C

The principal quantum number (n) indicates the shape of the orbital

D

The electronic configuration of phosphorus is given by `[Ne] 3s^(2) 3p_(x)^(1) 3p_(y)^(1)p_(z)^(1)`

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The correct Answer is:
D
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AAKASH SERIES-ATOMIC STRUCTURE-Objective Exercise - 3
  1. In a multi-electron atom, which of the following orbitals described by...

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  2. An electron has magnetic quantum number as '-3'. Its principal quantum...

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  3. The correct match is

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  4. Which one of the following statements is correct ?

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  5. Which orbitals gives an electron the greatest probability of closer to...

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  6. A radiation of wave length 3000 Å is required to remove an electron fr...

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  7. When a certain metal was irradiated with light of frequency 3.2 xx 10^...

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  8. If a metal is irradiated with light of frequency 3 xx 10^(19) sec^(-1)...

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  9. True statements among the following are (A) Number of wave generated...

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  10. The wavelength of the electron in the first orbit of the Hydrogen atom...

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  11. If the radius of first Bohr orbit of H atom is x, then de Broglie wave...

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  12. Uncertainity in the position of an electron (mass = 9.1 xx 10^(-31) kg...

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  13. Assertion (A) : The orbital angular momentum of 2s-electron is equal t...

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  14. If the Nitrogen atom had electronic configuration 1s^(7), it would hav...

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  15. match the following .

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  16. The expression for the Bohr's radius of hydrogen like species is

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  17. The potential energy of the electron present in the ground state of Li...

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  18. Calculate the mass of a photon with wavelength 3.6 Å.

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  19. A microscope using suitable photons is employed to locate an electron ...

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  20. What possibly can the ratio be of the de Broglie wavelengths for two e...

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