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In a radioactive decay chain, the initial nucleus is 23290Th . At the end there are 6 α-particles and 4 β-particles which are emitted. If the end nucleus, If AZX , A and Z are given by :
28
Nov
In a radioactive decay chain, the initial nucleus is 23290Th . At the end there are 6 α-particles and 4 β-particles which are emitted. If the end nucleus, If AZX , A and Z are given by : A and Z are given by : If AZX In a radioactive decay chain the initial nucleus [...]
In a hydrogen like atom, when an electron jumps from the M – shell to the L – shell, the wavelength of emitted radiation is λ. If an electron jumps from N-shell to the L-shell, the wavelength of emitted radiation will be :
28
Nov
In a hydrogen like atom, when an electron jumps from the M – shell to the L – shell, the wavelength of emitted radiation is λ. If an electron jumps from N-shell to the L-shell, the wavelength of emitted radiation will be : In a hydrogen-like atom the wavelength of emitted radiation is λ. If [...]
A hydrogen atom, initially in the ground state is excited by absorbing a photon of wavelength 980A˚. The radius of the atom in the excited state, it terms of Bohr radius a0, will be : (hc = 12500 eV – A˚)
28
Nov
A hydrogen atom, initially in the ground state is excited by absorbing a photon of wavelength 980A˚. The radius of the atom in the excited state, it terms of Bohr radius a0, will be : (hc = 12500 eV – A˚) A hydrogen atom initially in the ground state is excited by absorbing a photon [...]
Consider the nuclear fission Ne20⟶2He^4+C^12 Given that the binding energy/nucleon of Ne^20,He^4 and C^12 are, respectively, 8.03 MeV, 7.07 MeV and 7.86 MeV, identify the correct statement :
28
Nov
Consider the nuclear fission Ne20⟶2He^4+C^12 Given that the binding energy/nucleon of Ne^20,He^4 and C^12 are, respectively, 8.03 MeV, 7.07 MeV and 7.86 MeV, identify the correct statement : 7.07 MeV and 7.86 MeV 8.03 MeV Consider the nuclear fission Ne20⟶2He^4+C^12 Given that the binding energy/nucleon of Ne^20 He^4 and C^12 are identify the correct statement [...]
Using a nuclear counter the count rate of emitted particles from a radioactive source is measured. At t = 0 it was 1600 counts per second and t = 8 seconds it was 100 counts per second. The count rate observed, as counts per second, at t = 6 seconds is close to :
28
Nov
Using a nuclear counter the count rate of emitted particles from a radioactive source is measured. At t = 0 it was 1600 counts per second and t = 8 seconds it was 100 counts per second. The count rate observed, as counts per second, at t = 6 seconds is close to : Radiation [...]
The four quantum number for the valence shell electron or last electron of sodium (Z = 11 ) is
28
Nov
The four quantum number for the valence shell electron or last electron of sodium (Z = 11 ) is The four quantum number for the valence shell electron or last electron of sodium (Z = 11 ) is November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following electronic configurations is not possible (a) 1s^2 2s^2 (b) 1s^2 2s^2 2p^6 (c) 3d^10 4s^2 4p^2 (d) 1s^2 2s^2 2p^2 3s^1
28
Nov
Which of the following electronic configurations is not possible (a) 1s^2 2s^2 (b) 1s^2 2s^2 2p^6 (c) 3d^10 4s^2 4p^2 (d) 1s^2 2s^2 2p^2 3s^1 Which of the following electronic configurations is not possible (a) 1s^2 2s^2 (b) 1s^2 2s^2 2p^6 (c) 3d^10 4s^2 4p^2 (d) 1s^2 2s^2 2p^2 3s^1 November 28, 2020 Category: Uncategorised [...]
An atom has 2 electrons in K shell , 8 electrons in L shell and 6 electrons in L shell and 6 electrons in MM shell. The number of – electron present in that element is
28
Nov
An atom has 2 electrons in K shell , 8 electrons in L shell and 6 electrons in L shell and 6 electrons in MM shell. The number of – electron present in that element is 8 electrons in L shell and 6 electrons in L shell and 6 electrons in MM shell. The number [...]
When the azimuthual quantum number has a value of l = 1 ,, the shape of the oribtal is
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Nov
When the azimuthual quantum number has a value of l = 1 ,, the shape of the oribtal is the shape of the oribtal is When the azimuthual quantum number has a value of l = 1 November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Electronic configuration of H^- is (a) 1s^0 (b) 1s^1 (c) 1s^2 (d) 1s^1 2s^1
28
Nov
Electronic configuration of H^- is (a) 1s^0 (b) 1s^1 (c) 1s^2 (d) 1s^1 2s^1 Electronic configuration of H^- is (a) 1s^0 (b) 1s^1 (c) 1s^2 (d) 1s^1 2s^1 November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,