Bohr Model of the Hydrogen Atom
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PHXII12:ATOMS

356391 Speed of an electron in Bohr's \(7^{\text {th }}\) orbit for Hydrogen atom is \(3.6 \times {10^6}\;m/s\). The corresponding speed of the electron in \(3^{\text {rd }}\) orbit, in \(m / s\) is

1 \(1.8 \times 10^{6}\)
2 \(3.6 \times 10^{6}\)
3 \(7.5 \times 10^{6}\)
4 \(8.4 \times 10^{6}\)
JEE - 2023
PHXII12:ATOMS

356392 An electron in Bohr's hydrogen atom has an energy of \( - 3.4\) \(eV\) . The angular momentum of the electron is

1 \({\dfrac{h}{\pi}}\)
2 \({\dfrac{h}{2 \pi}}\)
3 \({\dfrac{n h}{2 \pi}}\) ( \({n}\) is an integer)
4 \({\dfrac{2 h}{\pi}}\)
PHXII12:ATOMS

356393 The ground state energy of hydrogen atom is \( - 13.6eV\). What is the potential energy?

1 \(0eV\)
2 \( - 27.2eV\)
3 \(1eV\)
4 \(2eV\)
PHXII12:ATOMS

356394 A hydrogen atom in ground state absorbs \(10.2\,eV\) of energy. The orbital angular momentum of the electron is increased by

1 \(3.16 \times {10^{ - 34}}\,Js\)
2 \(1.05 \times {10^{ - 34}}Js\)
3 \(4.22 \times {10^{ - 34}}{\rm{Js}}\)
4 \(2.11 \times {10^{ - 34}}Js\)
KCET - 2019
NEET DIGITAL LIBRARY
PHXII12:ATOMS

356391 Speed of an electron in Bohr's \(7^{\text {th }}\) orbit for Hydrogen atom is \(3.6 \times {10^6}\;m/s\). The corresponding speed of the electron in \(3^{\text {rd }}\) orbit, in \(m / s\) is

1 \(1.8 \times 10^{6}\)
2 \(3.6 \times 10^{6}\)
3 \(7.5 \times 10^{6}\)
4 \(8.4 \times 10^{6}\)
JEE - 2023
PHXII12:ATOMS

356392 An electron in Bohr's hydrogen atom has an energy of \( - 3.4\) \(eV\) . The angular momentum of the electron is

1 \({\dfrac{h}{\pi}}\)
2 \({\dfrac{h}{2 \pi}}\)
3 \({\dfrac{n h}{2 \pi}}\) ( \({n}\) is an integer)
4 \({\dfrac{2 h}{\pi}}\)
PHXII12:ATOMS

356393 The ground state energy of hydrogen atom is \( - 13.6eV\). What is the potential energy?

1 \(0eV\)
2 \( - 27.2eV\)
3 \(1eV\)
4 \(2eV\)
PHXII12:ATOMS

356394 A hydrogen atom in ground state absorbs \(10.2\,eV\) of energy. The orbital angular momentum of the electron is increased by

1 \(3.16 \times {10^{ - 34}}\,Js\)
2 \(1.05 \times {10^{ - 34}}Js\)
3 \(4.22 \times {10^{ - 34}}{\rm{Js}}\)
4 \(2.11 \times {10^{ - 34}}Js\)
KCET - 2019
Join With Us for More Updates
PHXII12:ATOMS

356391 Speed of an electron in Bohr's \(7^{\text {th }}\) orbit for Hydrogen atom is \(3.6 \times {10^6}\;m/s\). The corresponding speed of the electron in \(3^{\text {rd }}\) orbit, in \(m / s\) is

1 \(1.8 \times 10^{6}\)
2 \(3.6 \times 10^{6}\)
3 \(7.5 \times 10^{6}\)
4 \(8.4 \times 10^{6}\)
JEE - 2023
PHXII12:ATOMS

356392 An electron in Bohr's hydrogen atom has an energy of \( - 3.4\) \(eV\) . The angular momentum of the electron is

1 \({\dfrac{h}{\pi}}\)
2 \({\dfrac{h}{2 \pi}}\)
3 \({\dfrac{n h}{2 \pi}}\) ( \({n}\) is an integer)
4 \({\dfrac{2 h}{\pi}}\)
PHXII12:ATOMS

356393 The ground state energy of hydrogen atom is \( - 13.6eV\). What is the potential energy?

1 \(0eV\)
2 \( - 27.2eV\)
3 \(1eV\)
4 \(2eV\)
PHXII12:ATOMS

356394 A hydrogen atom in ground state absorbs \(10.2\,eV\) of energy. The orbital angular momentum of the electron is increased by

1 \(3.16 \times {10^{ - 34}}\,Js\)
2 \(1.05 \times {10^{ - 34}}Js\)
3 \(4.22 \times {10^{ - 34}}{\rm{Js}}\)
4 \(2.11 \times {10^{ - 34}}Js\)
KCET - 2019
For More Updates join with Us
PHXII12:ATOMS

356391 Speed of an electron in Bohr's \(7^{\text {th }}\) orbit for Hydrogen atom is \(3.6 \times {10^6}\;m/s\). The corresponding speed of the electron in \(3^{\text {rd }}\) orbit, in \(m / s\) is

1 \(1.8 \times 10^{6}\)
2 \(3.6 \times 10^{6}\)
3 \(7.5 \times 10^{6}\)
4 \(8.4 \times 10^{6}\)
JEE - 2023
PHXII12:ATOMS

356392 An electron in Bohr's hydrogen atom has an energy of \( - 3.4\) \(eV\) . The angular momentum of the electron is

1 \({\dfrac{h}{\pi}}\)
2 \({\dfrac{h}{2 \pi}}\)
3 \({\dfrac{n h}{2 \pi}}\) ( \({n}\) is an integer)
4 \({\dfrac{2 h}{\pi}}\)
PHXII12:ATOMS

356393 The ground state energy of hydrogen atom is \( - 13.6eV\). What is the potential energy?

1 \(0eV\)
2 \( - 27.2eV\)
3 \(1eV\)
4 \(2eV\)
PHXII12:ATOMS

356394 A hydrogen atom in ground state absorbs \(10.2\,eV\) of energy. The orbital angular momentum of the electron is increased by

1 \(3.16 \times {10^{ - 34}}\,Js\)
2 \(1.05 \times {10^{ - 34}}Js\)
3 \(4.22 \times {10^{ - 34}}{\rm{Js}}\)
4 \(2.11 \times {10^{ - 34}}Js\)
KCET - 2019
NEET DIGITAL LIBRARY