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

307201 The radius of the \(2^{\text {nd }}\) orbit of \(\mathrm{Li}^{2+}\) is x. The expected radius of the \(3^{\text {rd }}\) orbit of \(\mathrm{Be}^{3+}\) is

1 \(\dfrac{4}{9} \mathrm{x}\)
2 \(\dfrac{16}{27} x\)
3 \(\dfrac{9}{4} x\)
4 \(\dfrac{27}{16} x\)
JEE - 2023
CHXI02:STRUCTURE OF ATOM

307202 The radius of second stationary orbit in Bohr’s atom is R. The radius of 3rd orbit will be

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

307203 The radius of the first orbit of hydrogen atom is \(\mathrm{0.52 \times 10^{-8} \mathrm{~cm}}\). The radius of the first orbit of \(\mathrm{\mathrm{He}^{+}}\)ion is

1 \(\mathrm{0.26 \times 10^{-8} \mathrm{~cm}}\)
2 \(\mathrm{0.52 \times 10^{-8} \mathrm{~cm}}\)
3 \(\mathrm{1.04 \times 10^{-8} \mathrm{~cm}}\)
4 \(\mathrm{2.08 \times 10^{-8} \mathrm{~cm}}\)
CHXI02:STRUCTURE OF ATOM

307204 On the basis of Bohr’s model, the radius of the \({{\rm{5}}^{th}}\) orbit is

1 Equal to the radius of first orbit
2 Three times the radius of first orbit
3 Five times the radius of first orbit
4 25 times the radius of first orbit
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CHXI02:STRUCTURE OF ATOM

307201 The radius of the \(2^{\text {nd }}\) orbit of \(\mathrm{Li}^{2+}\) is x. The expected radius of the \(3^{\text {rd }}\) orbit of \(\mathrm{Be}^{3+}\) is

1 \(\dfrac{4}{9} \mathrm{x}\)
2 \(\dfrac{16}{27} x\)
3 \(\dfrac{9}{4} x\)
4 \(\dfrac{27}{16} x\)
JEE - 2023
CHXI02:STRUCTURE OF ATOM

307202 The radius of second stationary orbit in Bohr’s atom is R. The radius of 3rd orbit will be

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

307203 The radius of the first orbit of hydrogen atom is \(\mathrm{0.52 \times 10^{-8} \mathrm{~cm}}\). The radius of the first orbit of \(\mathrm{\mathrm{He}^{+}}\)ion is

1 \(\mathrm{0.26 \times 10^{-8} \mathrm{~cm}}\)
2 \(\mathrm{0.52 \times 10^{-8} \mathrm{~cm}}\)
3 \(\mathrm{1.04 \times 10^{-8} \mathrm{~cm}}\)
4 \(\mathrm{2.08 \times 10^{-8} \mathrm{~cm}}\)
CHXI02:STRUCTURE OF ATOM

307204 On the basis of Bohr’s model, the radius of the \({{\rm{5}}^{th}}\) orbit is

1 Equal to the radius of first orbit
2 Three times the radius of first orbit
3 Five times the radius of first orbit
4 25 times the radius of first orbit
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CHXI02:STRUCTURE OF ATOM

307201 The radius of the \(2^{\text {nd }}\) orbit of \(\mathrm{Li}^{2+}\) is x. The expected radius of the \(3^{\text {rd }}\) orbit of \(\mathrm{Be}^{3+}\) is

1 \(\dfrac{4}{9} \mathrm{x}\)
2 \(\dfrac{16}{27} x\)
3 \(\dfrac{9}{4} x\)
4 \(\dfrac{27}{16} x\)
JEE - 2023
CHXI02:STRUCTURE OF ATOM

307202 The radius of second stationary orbit in Bohr’s atom is R. The radius of 3rd orbit will be

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

307203 The radius of the first orbit of hydrogen atom is \(\mathrm{0.52 \times 10^{-8} \mathrm{~cm}}\). The radius of the first orbit of \(\mathrm{\mathrm{He}^{+}}\)ion is

1 \(\mathrm{0.26 \times 10^{-8} \mathrm{~cm}}\)
2 \(\mathrm{0.52 \times 10^{-8} \mathrm{~cm}}\)
3 \(\mathrm{1.04 \times 10^{-8} \mathrm{~cm}}\)
4 \(\mathrm{2.08 \times 10^{-8} \mathrm{~cm}}\)
CHXI02:STRUCTURE OF ATOM

307204 On the basis of Bohr’s model, the radius of the \({{\rm{5}}^{th}}\) orbit is

1 Equal to the radius of first orbit
2 Three times the radius of first orbit
3 Five times the radius of first orbit
4 25 times the radius of first orbit
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CHXI02:STRUCTURE OF ATOM

307201 The radius of the \(2^{\text {nd }}\) orbit of \(\mathrm{Li}^{2+}\) is x. The expected radius of the \(3^{\text {rd }}\) orbit of \(\mathrm{Be}^{3+}\) is

1 \(\dfrac{4}{9} \mathrm{x}\)
2 \(\dfrac{16}{27} x\)
3 \(\dfrac{9}{4} x\)
4 \(\dfrac{27}{16} x\)
JEE - 2023
CHXI02:STRUCTURE OF ATOM

307202 The radius of second stationary orbit in Bohr’s atom is R. The radius of 3rd orbit will be

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

307203 The radius of the first orbit of hydrogen atom is \(\mathrm{0.52 \times 10^{-8} \mathrm{~cm}}\). The radius of the first orbit of \(\mathrm{\mathrm{He}^{+}}\)ion is

1 \(\mathrm{0.26 \times 10^{-8} \mathrm{~cm}}\)
2 \(\mathrm{0.52 \times 10^{-8} \mathrm{~cm}}\)
3 \(\mathrm{1.04 \times 10^{-8} \mathrm{~cm}}\)
4 \(\mathrm{2.08 \times 10^{-8} \mathrm{~cm}}\)
CHXI02:STRUCTURE OF ATOM

307204 On the basis of Bohr’s model, the radius of the \({{\rm{5}}^{th}}\) orbit is

1 Equal to the radius of first orbit
2 Three times the radius of first orbit
3 Five times the radius of first orbit
4 25 times the radius of first orbit
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