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Structure of Atom Quiz-4

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10 Questions

Popular Questions In Structure of Atom Quiz-4

  • The energy of the second Bohr’s orbit of the hydrogen atom is -328 kJ mol1^{-1}. The energy of fourth Bohr’s orbit would be

  • The threshold frequency of a metal is 1×1015s11 \times 10^{15}\,s^{-1}. The ratio of maximum kinetic energies of the photoelectrons when the metal is irradiated with radiations of frequencies 1.5×1015s11.5 \times 10^{15} s^{-1} and 2.0×1015s12.0 \times 10^{15} s^{-1} respectively, would be

  • The threshold frequency of a metal ‘M’ is 1.5×1015s11.5 \times 10^{15} s^{-1}. The maximum K.E. of the photoelectrons, when the metal is irradiated with radiations of frequency 2.5×1015s12.5 \times 10^{15} s^{-1} , would be

  • The de-Broglie wavelength associated with a body of mass 1000g moving with a velocity 100 ms1ms^{-1} is

  • The H-specturm shows

  • Correct set of four quantum numbers for the valence (outermost) electron of rubidium (Z = 37) is

  • The principal quantum number of an orbital is related to the

  • Which one of the following sets of quantum numbers represents an impossible arrangement?

  • Which of the following has the maximum number of unpaired electrons?

  • The number of nodal planes in a pxp_x orbital is