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

307171 The radii of two of the first four Bohr orbits of the hydrogen atom are in the ratio \(1: 4\). The energy difference between them may be either

1 12.09 eV or 3.4 eV
2 2.55 eV or 10.2 eV
3 13.6 eV or 3.4 eV
4 3.4 eV or 0.85 eV
CHXI02:STRUCTURE OF ATOM

307172 Match Column I with Column II and choose the correct combination from the options given.
supporting img

1 \((1){\text{A}} - {\text{P}},{\text{B}} - {\text{R}},{\text{C}} - {\text{S}},{\text{D}} - {\text{Q}},{\text{R}}\)
2 \((2)\,{\rm{A}} - {\rm{P}},{\rm{ B}} - {\rm{Q}},{\rm{ C}} - {\rm{R}},{\rm{ D}} - {\rm{S}}\)
3 \((3)\,{\rm{A}} - {\rm{Q}},{\rm{ B}} - {\rm{P}},{\rm{ C}} - {\rm{S}},{\rm{ D}} - {\rm{R}}\)
4 \((4)\,{\mkern 1mu} {\text{A}} - {\text{P}},{\text{B}} - {\text{R}},{\text{C}} - {\text{S}},{\text{D}} - {\text{R}}\)
CHXI02:STRUCTURE OF ATOM

307173 Radius of the second orbit of an element is 70 nm. The energy associated for this orbit will be

1 \({\rm{2952}}\,{\rm{J/atom}}\)
2 \({\rm{52 \times 1}}{{\rm{0}}^{{\rm{ - 15}}}}{\rm{J/atom}}\)
3 \({\rm{4}}{\rm{.9 \times 1}}{{\rm{0}}^{{\rm{ - 18}}}}{\rm{J/atom}}\)
4 \({\rm{5}}{\rm{.45 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J/atom}}\)
CHXI02:STRUCTURE OF ATOM

307174 Supposing the ionisation energy of hydrogen like atom is 640 eV. The main shell having energy equal to –40 eV is

1 \({\rm{n = 2}}\)
2 \({\rm{n = 3}}\)
3 \({\rm{n = 4}}\)
4 \({\rm{n = 5}}\)
CHXI02:STRUCTURE OF ATOM

307171 The radii of two of the first four Bohr orbits of the hydrogen atom are in the ratio \(1: 4\). The energy difference between them may be either

1 12.09 eV or 3.4 eV
2 2.55 eV or 10.2 eV
3 13.6 eV or 3.4 eV
4 3.4 eV or 0.85 eV
CHXI02:STRUCTURE OF ATOM

307172 Match Column I with Column II and choose the correct combination from the options given.
supporting img

1 \((1){\text{A}} - {\text{P}},{\text{B}} - {\text{R}},{\text{C}} - {\text{S}},{\text{D}} - {\text{Q}},{\text{R}}\)
2 \((2)\,{\rm{A}} - {\rm{P}},{\rm{ B}} - {\rm{Q}},{\rm{ C}} - {\rm{R}},{\rm{ D}} - {\rm{S}}\)
3 \((3)\,{\rm{A}} - {\rm{Q}},{\rm{ B}} - {\rm{P}},{\rm{ C}} - {\rm{S}},{\rm{ D}} - {\rm{R}}\)
4 \((4)\,{\mkern 1mu} {\text{A}} - {\text{P}},{\text{B}} - {\text{R}},{\text{C}} - {\text{S}},{\text{D}} - {\text{R}}\)
CHXI02:STRUCTURE OF ATOM

307173 Radius of the second orbit of an element is 70 nm. The energy associated for this orbit will be

1 \({\rm{2952}}\,{\rm{J/atom}}\)
2 \({\rm{52 \times 1}}{{\rm{0}}^{{\rm{ - 15}}}}{\rm{J/atom}}\)
3 \({\rm{4}}{\rm{.9 \times 1}}{{\rm{0}}^{{\rm{ - 18}}}}{\rm{J/atom}}\)
4 \({\rm{5}}{\rm{.45 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J/atom}}\)
CHXI02:STRUCTURE OF ATOM

307174 Supposing the ionisation energy of hydrogen like atom is 640 eV. The main shell having energy equal to –40 eV is

1 \({\rm{n = 2}}\)
2 \({\rm{n = 3}}\)
3 \({\rm{n = 4}}\)
4 \({\rm{n = 5}}\)
CHXI02:STRUCTURE OF ATOM

307171 The radii of two of the first four Bohr orbits of the hydrogen atom are in the ratio \(1: 4\). The energy difference between them may be either

1 12.09 eV or 3.4 eV
2 2.55 eV or 10.2 eV
3 13.6 eV or 3.4 eV
4 3.4 eV or 0.85 eV
CHXI02:STRUCTURE OF ATOM

307172 Match Column I with Column II and choose the correct combination from the options given.
supporting img

1 \((1){\text{A}} - {\text{P}},{\text{B}} - {\text{R}},{\text{C}} - {\text{S}},{\text{D}} - {\text{Q}},{\text{R}}\)
2 \((2)\,{\rm{A}} - {\rm{P}},{\rm{ B}} - {\rm{Q}},{\rm{ C}} - {\rm{R}},{\rm{ D}} - {\rm{S}}\)
3 \((3)\,{\rm{A}} - {\rm{Q}},{\rm{ B}} - {\rm{P}},{\rm{ C}} - {\rm{S}},{\rm{ D}} - {\rm{R}}\)
4 \((4)\,{\mkern 1mu} {\text{A}} - {\text{P}},{\text{B}} - {\text{R}},{\text{C}} - {\text{S}},{\text{D}} - {\text{R}}\)
CHXI02:STRUCTURE OF ATOM

307173 Radius of the second orbit of an element is 70 nm. The energy associated for this orbit will be

1 \({\rm{2952}}\,{\rm{J/atom}}\)
2 \({\rm{52 \times 1}}{{\rm{0}}^{{\rm{ - 15}}}}{\rm{J/atom}}\)
3 \({\rm{4}}{\rm{.9 \times 1}}{{\rm{0}}^{{\rm{ - 18}}}}{\rm{J/atom}}\)
4 \({\rm{5}}{\rm{.45 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J/atom}}\)
CHXI02:STRUCTURE OF ATOM

307174 Supposing the ionisation energy of hydrogen like atom is 640 eV. The main shell having energy equal to –40 eV is

1 \({\rm{n = 2}}\)
2 \({\rm{n = 3}}\)
3 \({\rm{n = 4}}\)
4 \({\rm{n = 5}}\)
CHXI02:STRUCTURE OF ATOM

307171 The radii of two of the first four Bohr orbits of the hydrogen atom are in the ratio \(1: 4\). The energy difference between them may be either

1 12.09 eV or 3.4 eV
2 2.55 eV or 10.2 eV
3 13.6 eV or 3.4 eV
4 3.4 eV or 0.85 eV
CHXI02:STRUCTURE OF ATOM

307172 Match Column I with Column II and choose the correct combination from the options given.
supporting img

1 \((1){\text{A}} - {\text{P}},{\text{B}} - {\text{R}},{\text{C}} - {\text{S}},{\text{D}} - {\text{Q}},{\text{R}}\)
2 \((2)\,{\rm{A}} - {\rm{P}},{\rm{ B}} - {\rm{Q}},{\rm{ C}} - {\rm{R}},{\rm{ D}} - {\rm{S}}\)
3 \((3)\,{\rm{A}} - {\rm{Q}},{\rm{ B}} - {\rm{P}},{\rm{ C}} - {\rm{S}},{\rm{ D}} - {\rm{R}}\)
4 \((4)\,{\mkern 1mu} {\text{A}} - {\text{P}},{\text{B}} - {\text{R}},{\text{C}} - {\text{S}},{\text{D}} - {\text{R}}\)
CHXI02:STRUCTURE OF ATOM

307173 Radius of the second orbit of an element is 70 nm. The energy associated for this orbit will be

1 \({\rm{2952}}\,{\rm{J/atom}}\)
2 \({\rm{52 \times 1}}{{\rm{0}}^{{\rm{ - 15}}}}{\rm{J/atom}}\)
3 \({\rm{4}}{\rm{.9 \times 1}}{{\rm{0}}^{{\rm{ - 18}}}}{\rm{J/atom}}\)
4 \({\rm{5}}{\rm{.45 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J/atom}}\)
CHXI02:STRUCTURE OF ATOM

307174 Supposing the ionisation energy of hydrogen like atom is 640 eV. The main shell having energy equal to –40 eV is

1 \({\rm{n = 2}}\)
2 \({\rm{n = 3}}\)
3 \({\rm{n = 4}}\)
4 \({\rm{n = 5}}\)