Bohr's Model for Hydrogen Atom
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CHXI02:STRUCTURE OF ATOM

307141 The ratio of the energy of electron in second excited state of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) ion to the electron in the first excited state of \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) is

1 \({\rm{81:16}}\)
2 \({\rm{9:16}}\)
3 \({\rm{16:81}}\)
4 \({\rm{16:9}}\)
CHXI02:STRUCTURE OF ATOM

307142 The energy of first stationary state \(({\rm{n}} = 1)\) of \({\rm{L}}{{\rm{i}}^{2 + }}\) if ionization energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is \(19.6 \times {10^{ - 18}}{\rm{J}}\) \({\rm{ato}}{{\rm{m}}^{ - 1}}\) is

1 \( - 4.41 \times {10^{ - 17}}{\text{J}}\)
2 \( - 8 \times {10^{ - 17}}{\text{J}}\)
3 \( - {10^{ - 17}}{\text{J}}\)
4 \( - {10^{ - 19}}{\text{J}}\)
CHXI02:STRUCTURE OF ATOM

307143 The energy of electron in the \({{\rm{n}}^{{\rm{th}}}}\) Bohr orbit of H-atom is

1 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{2}}}}}{\rm{eV}}\)
2 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{\rm{n}}}{\rm{eV}}\)
3 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{4}}}}}{\rm{eV}}\)
4 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{3}}}}}{\rm{eV}}\)
KCET - 2016
CHXI02:STRUCTURE OF ATOM

307144 The value of double of P.E. of electron in H-atom in its third excited state is

1 \({\rm{ - 1}}{\rm{.7}}\,{\rm{eV}}\)
2 \({\rm{ - 3}}{\rm{.4}}\,{\rm{eV}}\)
3 \({\rm{ - 6}}{\rm{.8}}\,{\rm{eV}}\)
4 \({\rm{ - 0}}{\rm{.85}}\,{\rm{eV}}\)
CHXI02:STRUCTURE OF ATOM

307145 The potential energy of electron present in ground state of \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) ion is represented by;

1 \(\frac{{{\rm{ + 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)
2 \(\frac{{{\rm{ - 3e}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)
3 \(\frac{{{\rm{ - 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{{\rm{r}}^{\rm{2}}}}}\)
4 \(\frac{{{\rm{ - 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)
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CHXI02:STRUCTURE OF ATOM

307141 The ratio of the energy of electron in second excited state of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) ion to the electron in the first excited state of \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) is

1 \({\rm{81:16}}\)
2 \({\rm{9:16}}\)
3 \({\rm{16:81}}\)
4 \({\rm{16:9}}\)
CHXI02:STRUCTURE OF ATOM

307142 The energy of first stationary state \(({\rm{n}} = 1)\) of \({\rm{L}}{{\rm{i}}^{2 + }}\) if ionization energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is \(19.6 \times {10^{ - 18}}{\rm{J}}\) \({\rm{ato}}{{\rm{m}}^{ - 1}}\) is

1 \( - 4.41 \times {10^{ - 17}}{\text{J}}\)
2 \( - 8 \times {10^{ - 17}}{\text{J}}\)
3 \( - {10^{ - 17}}{\text{J}}\)
4 \( - {10^{ - 19}}{\text{J}}\)
CHXI02:STRUCTURE OF ATOM

307143 The energy of electron in the \({{\rm{n}}^{{\rm{th}}}}\) Bohr orbit of H-atom is

1 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{2}}}}}{\rm{eV}}\)
2 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{\rm{n}}}{\rm{eV}}\)
3 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{4}}}}}{\rm{eV}}\)
4 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{3}}}}}{\rm{eV}}\)
KCET - 2016
CHXI02:STRUCTURE OF ATOM

307144 The value of double of P.E. of electron in H-atom in its third excited state is

1 \({\rm{ - 1}}{\rm{.7}}\,{\rm{eV}}\)
2 \({\rm{ - 3}}{\rm{.4}}\,{\rm{eV}}\)
3 \({\rm{ - 6}}{\rm{.8}}\,{\rm{eV}}\)
4 \({\rm{ - 0}}{\rm{.85}}\,{\rm{eV}}\)
CHXI02:STRUCTURE OF ATOM

307145 The potential energy of electron present in ground state of \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) ion is represented by;

1 \(\frac{{{\rm{ + 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)
2 \(\frac{{{\rm{ - 3e}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)
3 \(\frac{{{\rm{ - 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{{\rm{r}}^{\rm{2}}}}}\)
4 \(\frac{{{\rm{ - 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)
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CHXI02:STRUCTURE OF ATOM

307141 The ratio of the energy of electron in second excited state of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) ion to the electron in the first excited state of \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) is

1 \({\rm{81:16}}\)
2 \({\rm{9:16}}\)
3 \({\rm{16:81}}\)
4 \({\rm{16:9}}\)
CHXI02:STRUCTURE OF ATOM

307142 The energy of first stationary state \(({\rm{n}} = 1)\) of \({\rm{L}}{{\rm{i}}^{2 + }}\) if ionization energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is \(19.6 \times {10^{ - 18}}{\rm{J}}\) \({\rm{ato}}{{\rm{m}}^{ - 1}}\) is

1 \( - 4.41 \times {10^{ - 17}}{\text{J}}\)
2 \( - 8 \times {10^{ - 17}}{\text{J}}\)
3 \( - {10^{ - 17}}{\text{J}}\)
4 \( - {10^{ - 19}}{\text{J}}\)
CHXI02:STRUCTURE OF ATOM

307143 The energy of electron in the \({{\rm{n}}^{{\rm{th}}}}\) Bohr orbit of H-atom is

1 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{2}}}}}{\rm{eV}}\)
2 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{\rm{n}}}{\rm{eV}}\)
3 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{4}}}}}{\rm{eV}}\)
4 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{3}}}}}{\rm{eV}}\)
KCET - 2016
CHXI02:STRUCTURE OF ATOM

307144 The value of double of P.E. of electron in H-atom in its third excited state is

1 \({\rm{ - 1}}{\rm{.7}}\,{\rm{eV}}\)
2 \({\rm{ - 3}}{\rm{.4}}\,{\rm{eV}}\)
3 \({\rm{ - 6}}{\rm{.8}}\,{\rm{eV}}\)
4 \({\rm{ - 0}}{\rm{.85}}\,{\rm{eV}}\)
CHXI02:STRUCTURE OF ATOM

307145 The potential energy of electron present in ground state of \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) ion is represented by;

1 \(\frac{{{\rm{ + 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)
2 \(\frac{{{\rm{ - 3e}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)
3 \(\frac{{{\rm{ - 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{{\rm{r}}^{\rm{2}}}}}\)
4 \(\frac{{{\rm{ - 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)
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CHXI02:STRUCTURE OF ATOM

307141 The ratio of the energy of electron in second excited state of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) ion to the electron in the first excited state of \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) is

1 \({\rm{81:16}}\)
2 \({\rm{9:16}}\)
3 \({\rm{16:81}}\)
4 \({\rm{16:9}}\)
CHXI02:STRUCTURE OF ATOM

307142 The energy of first stationary state \(({\rm{n}} = 1)\) of \({\rm{L}}{{\rm{i}}^{2 + }}\) if ionization energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is \(19.6 \times {10^{ - 18}}{\rm{J}}\) \({\rm{ato}}{{\rm{m}}^{ - 1}}\) is

1 \( - 4.41 \times {10^{ - 17}}{\text{J}}\)
2 \( - 8 \times {10^{ - 17}}{\text{J}}\)
3 \( - {10^{ - 17}}{\text{J}}\)
4 \( - {10^{ - 19}}{\text{J}}\)
CHXI02:STRUCTURE OF ATOM

307143 The energy of electron in the \({{\rm{n}}^{{\rm{th}}}}\) Bohr orbit of H-atom is

1 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{2}}}}}{\rm{eV}}\)
2 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{\rm{n}}}{\rm{eV}}\)
3 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{4}}}}}{\rm{eV}}\)
4 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{3}}}}}{\rm{eV}}\)
KCET - 2016
CHXI02:STRUCTURE OF ATOM

307144 The value of double of P.E. of electron in H-atom in its third excited state is

1 \({\rm{ - 1}}{\rm{.7}}\,{\rm{eV}}\)
2 \({\rm{ - 3}}{\rm{.4}}\,{\rm{eV}}\)
3 \({\rm{ - 6}}{\rm{.8}}\,{\rm{eV}}\)
4 \({\rm{ - 0}}{\rm{.85}}\,{\rm{eV}}\)
CHXI02:STRUCTURE OF ATOM

307145 The potential energy of electron present in ground state of \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) ion is represented by;

1 \(\frac{{{\rm{ + 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)
2 \(\frac{{{\rm{ - 3e}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)
3 \(\frac{{{\rm{ - 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{{\rm{r}}^{\rm{2}}}}}\)
4 \(\frac{{{\rm{ - 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)
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CHXI02:STRUCTURE OF ATOM

307141 The ratio of the energy of electron in second excited state of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) ion to the electron in the first excited state of \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) is

1 \({\rm{81:16}}\)
2 \({\rm{9:16}}\)
3 \({\rm{16:81}}\)
4 \({\rm{16:9}}\)
CHXI02:STRUCTURE OF ATOM

307142 The energy of first stationary state \(({\rm{n}} = 1)\) of \({\rm{L}}{{\rm{i}}^{2 + }}\) if ionization energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is \(19.6 \times {10^{ - 18}}{\rm{J}}\) \({\rm{ato}}{{\rm{m}}^{ - 1}}\) is

1 \( - 4.41 \times {10^{ - 17}}{\text{J}}\)
2 \( - 8 \times {10^{ - 17}}{\text{J}}\)
3 \( - {10^{ - 17}}{\text{J}}\)
4 \( - {10^{ - 19}}{\text{J}}\)
CHXI02:STRUCTURE OF ATOM

307143 The energy of electron in the \({{\rm{n}}^{{\rm{th}}}}\) Bohr orbit of H-atom is

1 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{2}}}}}{\rm{eV}}\)
2 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{\rm{n}}}{\rm{eV}}\)
3 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{4}}}}}{\rm{eV}}\)
4 \(\frac{{{\rm{ - 13}}{\rm{.6}}}}{{{{\rm{n}}^{\rm{3}}}}}{\rm{eV}}\)
KCET - 2016
CHXI02:STRUCTURE OF ATOM

307144 The value of double of P.E. of electron in H-atom in its third excited state is

1 \({\rm{ - 1}}{\rm{.7}}\,{\rm{eV}}\)
2 \({\rm{ - 3}}{\rm{.4}}\,{\rm{eV}}\)
3 \({\rm{ - 6}}{\rm{.8}}\,{\rm{eV}}\)
4 \({\rm{ - 0}}{\rm{.85}}\,{\rm{eV}}\)
CHXI02:STRUCTURE OF ATOM

307145 The potential energy of electron present in ground state of \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) ion is represented by;

1 \(\frac{{{\rm{ + 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)
2 \(\frac{{{\rm{ - 3e}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)
3 \(\frac{{{\rm{ - 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{{\rm{r}}^{\rm{2}}}}}\)
4 \(\frac{{{\rm{ - 3}}{{\rm{e}}^{\rm{2}}}}}{{{\rm{4\pi }}{{\rm{\varepsilon }}_{\rm{0}}}{\rm{r}}}}\)