Chapter 2 – Atomic Structure (Level 1 and Level 2)
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A certain day absorbs lights of `lamba = 400` nm and then fluorescence light of wavelength `500` nm. Assuming that under given condition `40%` of the absorbed energy is re-emitted as fluorescence, calculate the ratio of quanta absorbed to number of quanta emitted out.
10
Nov
A certain day absorbs lights of `lamba = 400` nm and then fluorescence light of wavelength `500` nm. Assuming that under given condition `40%` of the absorbed energy is re-emitted as fluorescence, calculate the ratio of quanta absorbed to number of quanta emitted out. A certain day absorbs lights of `lamba = 400` nm and [...]
Calculate the number of waves made by a Bohr electron in one complete revolution in nth orbit of H-atom, if ratio of de-Broglie wavelength associated with electron moving in nth orbit and 2nd orbit is 1.5.
10
Nov
Calculate the number of waves made by a Bohr electron in one complete revolution in nth orbit of H-atom, if ratio of de-Broglie wavelength associated with electron moving in nth orbit and 2nd orbit is 1.5. Calculate the number of waves made by a Bohr electron in one complete revolution in nth orbit of H-atom [...]
The energy of separation of an electron is 30.6 eV moving in an orbit of Li^2+ . Find out the number of waves made by the electron in one complete revolution in the orbit :
10
Nov
The energy of separation of an electron is 30.6 eV moving in an orbit of Li^2+ . Find out the number of waves made by the electron in one complete revolution in the orbit : The energy of separation of an electron is 30.6 eV moving in an orbit of Li^2+ . Find out the [...]
Given rn+1−rn−1 = 2rn,where rn−rn−1=rn+1, are Bohr radius for hydrogen atom in nth,(n−1)th and (n + 1)th shell respectively. Calculate the value of n.
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Nov
Given rn+1−rn−1 = 2rn,where rn−rn−1=rn+1, are Bohr radius for hydrogen atom in nth,(n−1)th and (n + 1)th shell respectively. Calculate the value of n. (n−1)th and (n + 1)th shell respectively. Calculate the value of n. are Bohr radius for hydrogen atom in nth Given rn+1−rn−1 = 2rn where rn−rn−1=rn+1 November 10, 2020 Category: Chapter [...]
In a sample of H-atoms electrons are de-excited from 4th excited state to ground state. Which is/are correct statement ?
10
Nov
In a sample of H-atoms electrons are de-excited from 4th excited state to ground state. Which is/are correct statement ? In a sample of H-atoms electrons are de-excited from 4th excited state to ground state. Which is/are correct statement ? November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , [...]
Which is/are correct statement ? (a)number of subshell present in M-shell = 3
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Nov
Which is/are correct statement ? (a)number of subshell present in M-shell = 3 Which is/are correct statement ? (a)number of subshell present in M-shell = 3 November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
Select the correct set (s) of quantum numbers
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Nov
Select the correct set (s) of quantum numbers Select the correct set (s) of quantum numbers November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
Select the correct curve(s) : If v=Velocity of electron in Bohr’s orbit, r=Radius of electron in Bohr’s orbit. P.E=Potential energy of electron in Bohr’s orbit, K.E=Kinetic energy of electron in Bohr’s orbit.
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Nov
Select the correct curve(s) : If v=Velocity of electron in Bohr’s orbit, r=Radius of electron in Bohr’s orbit. P.E=Potential energy of electron in Bohr’s orbit, K.E=Kinetic energy of electron in Bohr’s orbit. K.E=Kinetic energy of electron in Bohr's orbit. r=Radius of electron in Bohr's orbit. P.E=Potential energy of electron in Bohr's orbit Select the correct [...]
Which is/are correct graph ?
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Nov
Which is/are correct graph ? Which is/are correct graph ? November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
Select the correct statement(s). A. An orbital with l=0 is symmetrical about the nucleus.
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Nov
Select the correct statement(s). A. An orbital with l=0 is symmetrical about the nucleus. Select the correct statement(s). A. An orbital with l=0 is symmetrical about the nucleus. November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry ,