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(A) : In an atom the velocity of electro...

(A) : In an atom the velocity of electron as it moves into higher orbits keeps on decreasing
(R) : Velocity of electron is inversely proportional to the radius of orbit

A

Both (A) and B

B

Both A and D

C

Both B and C

D

Both C and D

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The correct Answer is:
C
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AAKASH SERIES-ATOMIC STRUCTURE-Objective Exercise - 3
  1. The kinetic energy of an electron in an orbit of hydrogen atom is 3.4 ...

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  2. The ionisation potential of Hydrogen is 2.17 xx 10^(-11) erg/atom. The...

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  3. (A) : In an atom the velocity of electron as it moves into higher orbi...

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  4. The wavelength of radiation required to remove the electron of hydroge...

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  5. The radii of two of the first four Bohr orbits of the hydrogen atom ar...

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  6. Choose the correct statement (s) (i) The energy of an electron in an...

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  7. The velocity of electron in hydrogen atom is 7.29 xx 10^(7) cm/sec The...

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  8. A particle of mass one microgram is confined to move along one directi...

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  9. The set of quantum numbers 'n' and 'l' possible for the orbital shown ...

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  10. In a multi-electron atom, which of the following orbitals described by...

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

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  12. The correct match is

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  13. Which one of the following statements is correct ?

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

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

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

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

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

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

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

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