Bohr Model of the Hydrogen Atom
PHXII12:ATOMS

356442 The radius of third stationary orbit of electron for Bohr's atom is \(R\). The radius of the fourth stationary orbit will be :

1 \(\dfrac{3}{4} R\)
2 \(\dfrac{9}{16} R\)
3 \(\dfrac{16}{9}\)
4 \(\dfrac{4}{3} R\)
PHXII12:ATOMS

356443 An electron is in an excited state in a hydrogen like atom. It has a total energy \( - 34\,eV\). The kinetic energy of the electron is \(E\) and its de-Broglie wavelength is \(\lambda\).
Then: (Take \({{m_e} = 9.1 \times {{10}^{ - 31}}\;kg}\))

1 \(E = 6.8eV,\lambda = 6.6 \times {10^{ - 10}}\;m\)
2 \(E = 3.4eV,\lambda = 6.6 \times {10^{ - 10}}\;m\)
3 \(E = 3.4eV,\lambda = 6.6 \times {10^{ - 11}}\;m\)
4 \(E = 6.8eV,\lambda = 6.6 \times {10^{ - 11}}\;m\)
PHXII12:ATOMS

356444 Bohr model is applied to a particle of mass \('m'\) and charge \('q'\) is moving in a plane under the influence of a transverse magnetic field \('B'\). The energy of the charged particle in the \({n^{th}}\) level will be (\(h = \) planck’s constant)

1 \(2nhqB/\pi m\)
2 \(nhqB/2\pi m\)
3 \(nhqB/4\pi m\)
4 \(nhqB/\pi m\)
PHXII12:ATOMS

356445 Which of the following statements are true regarding Bohr's model of hydrogen atom?
A. Orbiting speed of electron decreases as it shifts to discrete orbits away from the nucleus.
B. Radii of allowed orbits of electron are inversely proportional to the square of principle quantum number.
C. Frequency with which electrons orbits around the nucleus in discrete orbits is inversely proportional to the cube of principal quantum number.
D. Binding force with which the electron is bound to the nucleus increases as it shifts to outer orbits.

1 A and C
2 B and D
3 A, B and C
4 B, C and D
PHXII12:ATOMS

356446 \(15\,eV\) is given to electron in 4 th orbit, then find its final energy when it comes out of \(H\)-atom

1 \(14.15\,eV\)
2 \(13.6\,eV\)
3 \(12.08\,eV\)
4 \(15.85\,eV\)
PHXII12:ATOMS

356442 The radius of third stationary orbit of electron for Bohr's atom is \(R\). The radius of the fourth stationary orbit will be :

1 \(\dfrac{3}{4} R\)
2 \(\dfrac{9}{16} R\)
3 \(\dfrac{16}{9}\)
4 \(\dfrac{4}{3} R\)
PHXII12:ATOMS

356443 An electron is in an excited state in a hydrogen like atom. It has a total energy \( - 34\,eV\). The kinetic energy of the electron is \(E\) and its de-Broglie wavelength is \(\lambda\).
Then: (Take \({{m_e} = 9.1 \times {{10}^{ - 31}}\;kg}\))

1 \(E = 6.8eV,\lambda = 6.6 \times {10^{ - 10}}\;m\)
2 \(E = 3.4eV,\lambda = 6.6 \times {10^{ - 10}}\;m\)
3 \(E = 3.4eV,\lambda = 6.6 \times {10^{ - 11}}\;m\)
4 \(E = 6.8eV,\lambda = 6.6 \times {10^{ - 11}}\;m\)
PHXII12:ATOMS

356444 Bohr model is applied to a particle of mass \('m'\) and charge \('q'\) is moving in a plane under the influence of a transverse magnetic field \('B'\). The energy of the charged particle in the \({n^{th}}\) level will be (\(h = \) planck’s constant)

1 \(2nhqB/\pi m\)
2 \(nhqB/2\pi m\)
3 \(nhqB/4\pi m\)
4 \(nhqB/\pi m\)
PHXII12:ATOMS

356445 Which of the following statements are true regarding Bohr's model of hydrogen atom?
A. Orbiting speed of electron decreases as it shifts to discrete orbits away from the nucleus.
B. Radii of allowed orbits of electron are inversely proportional to the square of principle quantum number.
C. Frequency with which electrons orbits around the nucleus in discrete orbits is inversely proportional to the cube of principal quantum number.
D. Binding force with which the electron is bound to the nucleus increases as it shifts to outer orbits.

1 A and C
2 B and D
3 A, B and C
4 B, C and D
PHXII12:ATOMS

356446 \(15\,eV\) is given to electron in 4 th orbit, then find its final energy when it comes out of \(H\)-atom

1 \(14.15\,eV\)
2 \(13.6\,eV\)
3 \(12.08\,eV\)
4 \(15.85\,eV\)
PHXII12:ATOMS

356442 The radius of third stationary orbit of electron for Bohr's atom is \(R\). The radius of the fourth stationary orbit will be :

1 \(\dfrac{3}{4} R\)
2 \(\dfrac{9}{16} R\)
3 \(\dfrac{16}{9}\)
4 \(\dfrac{4}{3} R\)
PHXII12:ATOMS

356443 An electron is in an excited state in a hydrogen like atom. It has a total energy \( - 34\,eV\). The kinetic energy of the electron is \(E\) and its de-Broglie wavelength is \(\lambda\).
Then: (Take \({{m_e} = 9.1 \times {{10}^{ - 31}}\;kg}\))

1 \(E = 6.8eV,\lambda = 6.6 \times {10^{ - 10}}\;m\)
2 \(E = 3.4eV,\lambda = 6.6 \times {10^{ - 10}}\;m\)
3 \(E = 3.4eV,\lambda = 6.6 \times {10^{ - 11}}\;m\)
4 \(E = 6.8eV,\lambda = 6.6 \times {10^{ - 11}}\;m\)
PHXII12:ATOMS

356444 Bohr model is applied to a particle of mass \('m'\) and charge \('q'\) is moving in a plane under the influence of a transverse magnetic field \('B'\). The energy of the charged particle in the \({n^{th}}\) level will be (\(h = \) planck’s constant)

1 \(2nhqB/\pi m\)
2 \(nhqB/2\pi m\)
3 \(nhqB/4\pi m\)
4 \(nhqB/\pi m\)
PHXII12:ATOMS

356445 Which of the following statements are true regarding Bohr's model of hydrogen atom?
A. Orbiting speed of electron decreases as it shifts to discrete orbits away from the nucleus.
B. Radii of allowed orbits of electron are inversely proportional to the square of principle quantum number.
C. Frequency with which electrons orbits around the nucleus in discrete orbits is inversely proportional to the cube of principal quantum number.
D. Binding force with which the electron is bound to the nucleus increases as it shifts to outer orbits.

1 A and C
2 B and D
3 A, B and C
4 B, C and D
PHXII12:ATOMS

356446 \(15\,eV\) is given to electron in 4 th orbit, then find its final energy when it comes out of \(H\)-atom

1 \(14.15\,eV\)
2 \(13.6\,eV\)
3 \(12.08\,eV\)
4 \(15.85\,eV\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII12:ATOMS

356442 The radius of third stationary orbit of electron for Bohr's atom is \(R\). The radius of the fourth stationary orbit will be :

1 \(\dfrac{3}{4} R\)
2 \(\dfrac{9}{16} R\)
3 \(\dfrac{16}{9}\)
4 \(\dfrac{4}{3} R\)
PHXII12:ATOMS

356443 An electron is in an excited state in a hydrogen like atom. It has a total energy \( - 34\,eV\). The kinetic energy of the electron is \(E\) and its de-Broglie wavelength is \(\lambda\).
Then: (Take \({{m_e} = 9.1 \times {{10}^{ - 31}}\;kg}\))

1 \(E = 6.8eV,\lambda = 6.6 \times {10^{ - 10}}\;m\)
2 \(E = 3.4eV,\lambda = 6.6 \times {10^{ - 10}}\;m\)
3 \(E = 3.4eV,\lambda = 6.6 \times {10^{ - 11}}\;m\)
4 \(E = 6.8eV,\lambda = 6.6 \times {10^{ - 11}}\;m\)
PHXII12:ATOMS

356444 Bohr model is applied to a particle of mass \('m'\) and charge \('q'\) is moving in a plane under the influence of a transverse magnetic field \('B'\). The energy of the charged particle in the \({n^{th}}\) level will be (\(h = \) planck’s constant)

1 \(2nhqB/\pi m\)
2 \(nhqB/2\pi m\)
3 \(nhqB/4\pi m\)
4 \(nhqB/\pi m\)
PHXII12:ATOMS

356445 Which of the following statements are true regarding Bohr's model of hydrogen atom?
A. Orbiting speed of electron decreases as it shifts to discrete orbits away from the nucleus.
B. Radii of allowed orbits of electron are inversely proportional to the square of principle quantum number.
C. Frequency with which electrons orbits around the nucleus in discrete orbits is inversely proportional to the cube of principal quantum number.
D. Binding force with which the electron is bound to the nucleus increases as it shifts to outer orbits.

1 A and C
2 B and D
3 A, B and C
4 B, C and D
PHXII12:ATOMS

356446 \(15\,eV\) is given to electron in 4 th orbit, then find its final energy when it comes out of \(H\)-atom

1 \(14.15\,eV\)
2 \(13.6\,eV\)
3 \(12.08\,eV\)
4 \(15.85\,eV\)
PHXII12:ATOMS

356442 The radius of third stationary orbit of electron for Bohr's atom is \(R\). The radius of the fourth stationary orbit will be :

1 \(\dfrac{3}{4} R\)
2 \(\dfrac{9}{16} R\)
3 \(\dfrac{16}{9}\)
4 \(\dfrac{4}{3} R\)
PHXII12:ATOMS

356443 An electron is in an excited state in a hydrogen like atom. It has a total energy \( - 34\,eV\). The kinetic energy of the electron is \(E\) and its de-Broglie wavelength is \(\lambda\).
Then: (Take \({{m_e} = 9.1 \times {{10}^{ - 31}}\;kg}\))

1 \(E = 6.8eV,\lambda = 6.6 \times {10^{ - 10}}\;m\)
2 \(E = 3.4eV,\lambda = 6.6 \times {10^{ - 10}}\;m\)
3 \(E = 3.4eV,\lambda = 6.6 \times {10^{ - 11}}\;m\)
4 \(E = 6.8eV,\lambda = 6.6 \times {10^{ - 11}}\;m\)
PHXII12:ATOMS

356444 Bohr model is applied to a particle of mass \('m'\) and charge \('q'\) is moving in a plane under the influence of a transverse magnetic field \('B'\). The energy of the charged particle in the \({n^{th}}\) level will be (\(h = \) planck’s constant)

1 \(2nhqB/\pi m\)
2 \(nhqB/2\pi m\)
3 \(nhqB/4\pi m\)
4 \(nhqB/\pi m\)
PHXII12:ATOMS

356445 Which of the following statements are true regarding Bohr's model of hydrogen atom?
A. Orbiting speed of electron decreases as it shifts to discrete orbits away from the nucleus.
B. Radii of allowed orbits of electron are inversely proportional to the square of principle quantum number.
C. Frequency with which electrons orbits around the nucleus in discrete orbits is inversely proportional to the cube of principal quantum number.
D. Binding force with which the electron is bound to the nucleus increases as it shifts to outer orbits.

1 A and C
2 B and D
3 A, B and C
4 B, C and D
PHXII12:ATOMS

356446 \(15\,eV\) is given to electron in 4 th orbit, then find its final energy when it comes out of \(H\)-atom

1 \(14.15\,eV\)
2 \(13.6\,eV\)
3 \(12.08\,eV\)
4 \(15.85\,eV\)