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

307214 If velocity of an electron in the first Bohr orbit of H is \({{\rm{v}}_{\rm{1}}}\) then velocity in second orbit will be

1 \({{\rm{v}}_{\rm{1}}}\)
2 2\({{\rm{v}}_{\rm{1}}}\)
3 \(\frac{{{{\rm{v}}_{\rm{1}}}}}{2}\)
4 \(\frac{{{{\rm{v}}_{\rm{1}}}}}{4}\)
CHXI02:STRUCTURE OF ATOM

307215 The velocity of an electron in the third orbit of hydrogen atom

1 \({\rm{7}}{\rm{.28 \times 1}}{{\rm{0}}^{\rm{7}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
2 \({\rm{6}}{\rm{.08 \times 1}}{{\rm{0}}^{\rm{7}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
3 \({\rm{9}}{\rm{.38 \times 1}}{{\rm{0}}^{\rm{7}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
4 \({\rm{7}}{\rm{.48 \times 1}}{{\rm{0}}^{\rm{6}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
CHXI02:STRUCTURE OF ATOM

307216 The velocity of an electron revolving in the second orbit of a hydrogen atom is

1 \({\rm{2}}{\rm{.19 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{cm/s}}\)
2 \({\rm{1}}{\rm{.095 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{cm}}{\rm{.s}}\)
3 \({\rm{2}}{\rm{.19 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{m/s}}\)
4 \({\rm{1}}{\rm{.095 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{m/s}}\)
CHXI02:STRUCTURE OF ATOM

307217 If velocity of an electron in first orbit of \({\rm{H}}\) atom is \({\rm{V}}\), what will be the velocity of the third orbit of \({\rm{L}}{{\rm{i}}^{{\rm{ + 2}}}}\) ?

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

307214 If velocity of an electron in the first Bohr orbit of H is \({{\rm{v}}_{\rm{1}}}\) then velocity in second orbit will be

1 \({{\rm{v}}_{\rm{1}}}\)
2 2\({{\rm{v}}_{\rm{1}}}\)
3 \(\frac{{{{\rm{v}}_{\rm{1}}}}}{2}\)
4 \(\frac{{{{\rm{v}}_{\rm{1}}}}}{4}\)
CHXI02:STRUCTURE OF ATOM

307215 The velocity of an electron in the third orbit of hydrogen atom

1 \({\rm{7}}{\rm{.28 \times 1}}{{\rm{0}}^{\rm{7}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
2 \({\rm{6}}{\rm{.08 \times 1}}{{\rm{0}}^{\rm{7}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
3 \({\rm{9}}{\rm{.38 \times 1}}{{\rm{0}}^{\rm{7}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
4 \({\rm{7}}{\rm{.48 \times 1}}{{\rm{0}}^{\rm{6}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
CHXI02:STRUCTURE OF ATOM

307216 The velocity of an electron revolving in the second orbit of a hydrogen atom is

1 \({\rm{2}}{\rm{.19 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{cm/s}}\)
2 \({\rm{1}}{\rm{.095 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{cm}}{\rm{.s}}\)
3 \({\rm{2}}{\rm{.19 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{m/s}}\)
4 \({\rm{1}}{\rm{.095 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{m/s}}\)
CHXI02:STRUCTURE OF ATOM

307217 If velocity of an electron in first orbit of \({\rm{H}}\) atom is \({\rm{V}}\), what will be the velocity of the third orbit of \({\rm{L}}{{\rm{i}}^{{\rm{ + 2}}}}\) ?

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

307214 If velocity of an electron in the first Bohr orbit of H is \({{\rm{v}}_{\rm{1}}}\) then velocity in second orbit will be

1 \({{\rm{v}}_{\rm{1}}}\)
2 2\({{\rm{v}}_{\rm{1}}}\)
3 \(\frac{{{{\rm{v}}_{\rm{1}}}}}{2}\)
4 \(\frac{{{{\rm{v}}_{\rm{1}}}}}{4}\)
CHXI02:STRUCTURE OF ATOM

307215 The velocity of an electron in the third orbit of hydrogen atom

1 \({\rm{7}}{\rm{.28 \times 1}}{{\rm{0}}^{\rm{7}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
2 \({\rm{6}}{\rm{.08 \times 1}}{{\rm{0}}^{\rm{7}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
3 \({\rm{9}}{\rm{.38 \times 1}}{{\rm{0}}^{\rm{7}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
4 \({\rm{7}}{\rm{.48 \times 1}}{{\rm{0}}^{\rm{6}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
CHXI02:STRUCTURE OF ATOM

307216 The velocity of an electron revolving in the second orbit of a hydrogen atom is

1 \({\rm{2}}{\rm{.19 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{cm/s}}\)
2 \({\rm{1}}{\rm{.095 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{cm}}{\rm{.s}}\)
3 \({\rm{2}}{\rm{.19 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{m/s}}\)
4 \({\rm{1}}{\rm{.095 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{m/s}}\)
CHXI02:STRUCTURE OF ATOM

307217 If velocity of an electron in first orbit of \({\rm{H}}\) atom is \({\rm{V}}\), what will be the velocity of the third orbit of \({\rm{L}}{{\rm{i}}^{{\rm{ + 2}}}}\) ?

1 \({\rm{V}}\)
2 \({\rm{V/3}}\)
3 \({\rm{3V}}\)
4 \({\rm{9V}}\)
NEET DIGITAL LIBRARY
CHXI02:STRUCTURE OF ATOM

307214 If velocity of an electron in the first Bohr orbit of H is \({{\rm{v}}_{\rm{1}}}\) then velocity in second orbit will be

1 \({{\rm{v}}_{\rm{1}}}\)
2 2\({{\rm{v}}_{\rm{1}}}\)
3 \(\frac{{{{\rm{v}}_{\rm{1}}}}}{2}\)
4 \(\frac{{{{\rm{v}}_{\rm{1}}}}}{4}\)
CHXI02:STRUCTURE OF ATOM

307215 The velocity of an electron in the third orbit of hydrogen atom

1 \({\rm{7}}{\rm{.28 \times 1}}{{\rm{0}}^{\rm{7}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
2 \({\rm{6}}{\rm{.08 \times 1}}{{\rm{0}}^{\rm{7}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
3 \({\rm{9}}{\rm{.38 \times 1}}{{\rm{0}}^{\rm{7}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
4 \({\rm{7}}{\rm{.48 \times 1}}{{\rm{0}}^{\rm{6}}}{\rm{cm}}\,{\rm{se}}{{\rm{c}}^{{\rm{ - 1}}}}\)
CHXI02:STRUCTURE OF ATOM

307216 The velocity of an electron revolving in the second orbit of a hydrogen atom is

1 \({\rm{2}}{\rm{.19 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{cm/s}}\)
2 \({\rm{1}}{\rm{.095 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{cm}}{\rm{.s}}\)
3 \({\rm{2}}{\rm{.19 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{m/s}}\)
4 \({\rm{1}}{\rm{.095 \times 1}}{{\rm{0}}^{\rm{8}}}\,{\rm{m/s}}\)
CHXI02:STRUCTURE OF ATOM

307217 If velocity of an electron in first orbit of \({\rm{H}}\) atom is \({\rm{V}}\), what will be the velocity of the third orbit of \({\rm{L}}{{\rm{i}}^{{\rm{ + 2}}}}\) ?

1 \({\rm{V}}\)
2 \({\rm{V/3}}\)
3 \({\rm{3V}}\)
4 \({\rm{9V}}\)
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