Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Structure of Atom question

2024 · 6 Apr · Shift 1 · Q30
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Structure of Atom
  5. /2024 · 6 Apr · Shift 1 · Q30

Structure of Atom question

2024 · 6 Apr · Shift 1 · Q30

JEE MainChemistryStructure of AtomNumerical+4 / −1
Frequency of the de-Broglie wave of electron in Bohr's first orbit of hydrogen atom is ‾×1013 Hz\underline{\hspace{2cm}}\times 10^{13} \mathrm{~Hz}​×1013 Hz(nearest integer). [Given : RH\mathrm{R}_{\mathrm{H}}RH​(Rydberg constant) =2.18×10−18 J,h=2.18 \times 10^{-18} \mathrm{~J}, h=2.18×10−18 J,h(Plank's constant) =6.6×10−34 J.s=6.6 \times 10^{-34} \mathrm{~J} . \mathrm{s}=6.6×10−34 J.s.]
Numerical answer
PreviousNext

More from Structure of Atom

  • For hydrogen atom, energy of an electron in first excited state is −3.4 eV,K.E. of the same electron of hydrogen atom is x eV. Value of x is ​×10−1 eV…2024 · Numerical
  • A hypothetical electromagnetic wave is show below. The frequency of the wave is x×1019 Hz. x=​ (nearest integer) Includes diagram2024 · Numerical
  • Wavenumber for a radiation having 5800 Ao​ wavelength is x×10 cm−1 The value of x is ​. (Integer answer)2024 · Numerical
  • Compare the energies of following sets of quantum numbers for multielectron system. (A) n=4,1=1(B) n=4,1=2(C) n=3,l=1(D) n=3,1=2(E) n=4,1=0 Choose the correct answer from the…2024 · MCQ
  • The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 'A' ×1012 hertz and that has a radiant intensity in that direction of ′B′1​, watt per…2024 · MCQ
  • Based on Heisenberg's uncertainty principle, the uncertainty in the velocity of the electron to be found within an atomic nucleus of diameter 10−15 m is ​×109 ms−1(nearest…2024 · Numerical
  • The number of electrons present in all the completely filled subshells having n=4 and s=+21​ is ​. (Where n= principal quantum number and s= spin quantum number)2024 · Numerical
  • The correct set of four quantum numbers for the valence electron of rubidium atom (Z=37) is :2024 · MCQ