Atomic Collisions
PHXII12:ATOMS

356376 An electron with \(KE\,\,6\,eV\) is incident on a hydrogen atom in its ground state. The collision

1 May be partially inelastic
2 Must be completely inelastic
3 May be partially elastic
4 Must be elastic
PHXII12:ATOMS

356377 A moving hydrogen atom makes a head-on collision with a stationary hydrogen atom. Before collision, both atoms are in ground state and after collision they move together. What is the minimum value of the kinetic energy of the moving hydrogen atom, such that one of the atoms reaches one of the excitation state?
supporting img

1 \(20.4\,eV\)
2 \(10.2\,eV\)
3 \(30.6\,eV\)
4 \({\rm{Any}}\,\,{\rm{value}}\)
PHXII12:ATOMS

356378 A hydrogen atom moves with a velocity \({u}\) and makes a head on inelastic collision are in the ground state before collision. What is the minimum value of \({u}\), if one of them is to be given a minimum excitation energy? The ionization energy is \(13.6\,eV\). Mass of the hydrogen atom is \({1.0078 \times 1.66 \times 10^{-27} {~kg}}\).

1 \(3.74 \times {10^4}\,m/s\)
2 \(7.35 \times {10^4}\,m/s\)
3 \(1.64 \times {10^4}\,m/s\)
4 \(6.24 \times {10^4}\,m/s\)
PHXII12:ATOMS

356379 A \(H{e^ + }\) ion is at rest and is in ground state. A neutron with intial kinetic energy \(K\) collides head on with the \(H{e^ + }\) ion. Find minimum value of \(K\) so that there can be an inelastic collision between these two particles.
supporting img

1 \(51\,eV\)
2 \(30.6\,eV\)
3 \(20.4\,eV\)
4 \(40.8\,eV\)
PHXII12:ATOMS

356380 Consider a hydrogen atom present at rest in ground state. A fast moving neutron collides with the atom. Find the threshold energy of the neutron for excitations \({n_1} = 2\,\,{\rm{to}}\,\,{n_2} = 3\) \(\left( {{m_N} \simeq {m_H}} \right)\)

1 \(24.2\,eV\)
2 \(12.4\,eV\)
3 \(10.2\,eV\)
4 \(20.4\,eV\)
PHXII12:ATOMS

356376 An electron with \(KE\,\,6\,eV\) is incident on a hydrogen atom in its ground state. The collision

1 May be partially inelastic
2 Must be completely inelastic
3 May be partially elastic
4 Must be elastic
PHXII12:ATOMS

356377 A moving hydrogen atom makes a head-on collision with a stationary hydrogen atom. Before collision, both atoms are in ground state and after collision they move together. What is the minimum value of the kinetic energy of the moving hydrogen atom, such that one of the atoms reaches one of the excitation state?
supporting img

1 \(20.4\,eV\)
2 \(10.2\,eV\)
3 \(30.6\,eV\)
4 \({\rm{Any}}\,\,{\rm{value}}\)
PHXII12:ATOMS

356378 A hydrogen atom moves with a velocity \({u}\) and makes a head on inelastic collision are in the ground state before collision. What is the minimum value of \({u}\), if one of them is to be given a minimum excitation energy? The ionization energy is \(13.6\,eV\). Mass of the hydrogen atom is \({1.0078 \times 1.66 \times 10^{-27} {~kg}}\).

1 \(3.74 \times {10^4}\,m/s\)
2 \(7.35 \times {10^4}\,m/s\)
3 \(1.64 \times {10^4}\,m/s\)
4 \(6.24 \times {10^4}\,m/s\)
PHXII12:ATOMS

356379 A \(H{e^ + }\) ion is at rest and is in ground state. A neutron with intial kinetic energy \(K\) collides head on with the \(H{e^ + }\) ion. Find minimum value of \(K\) so that there can be an inelastic collision between these two particles.
supporting img

1 \(51\,eV\)
2 \(30.6\,eV\)
3 \(20.4\,eV\)
4 \(40.8\,eV\)
PHXII12:ATOMS

356380 Consider a hydrogen atom present at rest in ground state. A fast moving neutron collides with the atom. Find the threshold energy of the neutron for excitations \({n_1} = 2\,\,{\rm{to}}\,\,{n_2} = 3\) \(\left( {{m_N} \simeq {m_H}} \right)\)

1 \(24.2\,eV\)
2 \(12.4\,eV\)
3 \(10.2\,eV\)
4 \(20.4\,eV\)
PHXII12:ATOMS

356376 An electron with \(KE\,\,6\,eV\) is incident on a hydrogen atom in its ground state. The collision

1 May be partially inelastic
2 Must be completely inelastic
3 May be partially elastic
4 Must be elastic
PHXII12:ATOMS

356377 A moving hydrogen atom makes a head-on collision with a stationary hydrogen atom. Before collision, both atoms are in ground state and after collision they move together. What is the minimum value of the kinetic energy of the moving hydrogen atom, such that one of the atoms reaches one of the excitation state?
supporting img

1 \(20.4\,eV\)
2 \(10.2\,eV\)
3 \(30.6\,eV\)
4 \({\rm{Any}}\,\,{\rm{value}}\)
PHXII12:ATOMS

356378 A hydrogen atom moves with a velocity \({u}\) and makes a head on inelastic collision are in the ground state before collision. What is the minimum value of \({u}\), if one of them is to be given a minimum excitation energy? The ionization energy is \(13.6\,eV\). Mass of the hydrogen atom is \({1.0078 \times 1.66 \times 10^{-27} {~kg}}\).

1 \(3.74 \times {10^4}\,m/s\)
2 \(7.35 \times {10^4}\,m/s\)
3 \(1.64 \times {10^4}\,m/s\)
4 \(6.24 \times {10^4}\,m/s\)
PHXII12:ATOMS

356379 A \(H{e^ + }\) ion is at rest and is in ground state. A neutron with intial kinetic energy \(K\) collides head on with the \(H{e^ + }\) ion. Find minimum value of \(K\) so that there can be an inelastic collision between these two particles.
supporting img

1 \(51\,eV\)
2 \(30.6\,eV\)
3 \(20.4\,eV\)
4 \(40.8\,eV\)
PHXII12:ATOMS

356380 Consider a hydrogen atom present at rest in ground state. A fast moving neutron collides with the atom. Find the threshold energy of the neutron for excitations \({n_1} = 2\,\,{\rm{to}}\,\,{n_2} = 3\) \(\left( {{m_N} \simeq {m_H}} \right)\)

1 \(24.2\,eV\)
2 \(12.4\,eV\)
3 \(10.2\,eV\)
4 \(20.4\,eV\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII12:ATOMS

356376 An electron with \(KE\,\,6\,eV\) is incident on a hydrogen atom in its ground state. The collision

1 May be partially inelastic
2 Must be completely inelastic
3 May be partially elastic
4 Must be elastic
PHXII12:ATOMS

356377 A moving hydrogen atom makes a head-on collision with a stationary hydrogen atom. Before collision, both atoms are in ground state and after collision they move together. What is the minimum value of the kinetic energy of the moving hydrogen atom, such that one of the atoms reaches one of the excitation state?
supporting img

1 \(20.4\,eV\)
2 \(10.2\,eV\)
3 \(30.6\,eV\)
4 \({\rm{Any}}\,\,{\rm{value}}\)
PHXII12:ATOMS

356378 A hydrogen atom moves with a velocity \({u}\) and makes a head on inelastic collision are in the ground state before collision. What is the minimum value of \({u}\), if one of them is to be given a minimum excitation energy? The ionization energy is \(13.6\,eV\). Mass of the hydrogen atom is \({1.0078 \times 1.66 \times 10^{-27} {~kg}}\).

1 \(3.74 \times {10^4}\,m/s\)
2 \(7.35 \times {10^4}\,m/s\)
3 \(1.64 \times {10^4}\,m/s\)
4 \(6.24 \times {10^4}\,m/s\)
PHXII12:ATOMS

356379 A \(H{e^ + }\) ion is at rest and is in ground state. A neutron with intial kinetic energy \(K\) collides head on with the \(H{e^ + }\) ion. Find minimum value of \(K\) so that there can be an inelastic collision between these two particles.
supporting img

1 \(51\,eV\)
2 \(30.6\,eV\)
3 \(20.4\,eV\)
4 \(40.8\,eV\)
PHXII12:ATOMS

356380 Consider a hydrogen atom present at rest in ground state. A fast moving neutron collides with the atom. Find the threshold energy of the neutron for excitations \({n_1} = 2\,\,{\rm{to}}\,\,{n_2} = 3\) \(\left( {{m_N} \simeq {m_H}} \right)\)

1 \(24.2\,eV\)
2 \(12.4\,eV\)
3 \(10.2\,eV\)
4 \(20.4\,eV\)
PHXII12:ATOMS

356376 An electron with \(KE\,\,6\,eV\) is incident on a hydrogen atom in its ground state. The collision

1 May be partially inelastic
2 Must be completely inelastic
3 May be partially elastic
4 Must be elastic
PHXII12:ATOMS

356377 A moving hydrogen atom makes a head-on collision with a stationary hydrogen atom. Before collision, both atoms are in ground state and after collision they move together. What is the minimum value of the kinetic energy of the moving hydrogen atom, such that one of the atoms reaches one of the excitation state?
supporting img

1 \(20.4\,eV\)
2 \(10.2\,eV\)
3 \(30.6\,eV\)
4 \({\rm{Any}}\,\,{\rm{value}}\)
PHXII12:ATOMS

356378 A hydrogen atom moves with a velocity \({u}\) and makes a head on inelastic collision are in the ground state before collision. What is the minimum value of \({u}\), if one of them is to be given a minimum excitation energy? The ionization energy is \(13.6\,eV\). Mass of the hydrogen atom is \({1.0078 \times 1.66 \times 10^{-27} {~kg}}\).

1 \(3.74 \times {10^4}\,m/s\)
2 \(7.35 \times {10^4}\,m/s\)
3 \(1.64 \times {10^4}\,m/s\)
4 \(6.24 \times {10^4}\,m/s\)
PHXII12:ATOMS

356379 A \(H{e^ + }\) ion is at rest and is in ground state. A neutron with intial kinetic energy \(K\) collides head on with the \(H{e^ + }\) ion. Find minimum value of \(K\) so that there can be an inelastic collision between these two particles.
supporting img

1 \(51\,eV\)
2 \(30.6\,eV\)
3 \(20.4\,eV\)
4 \(40.8\,eV\)
PHXII12:ATOMS

356380 Consider a hydrogen atom present at rest in ground state. A fast moving neutron collides with the atom. Find the threshold energy of the neutron for excitations \({n_1} = 2\,\,{\rm{to}}\,\,{n_2} = 3\) \(\left( {{m_N} \simeq {m_H}} \right)\)

1 \(24.2\,eV\)
2 \(12.4\,eV\)
3 \(10.2\,eV\)
4 \(20.4\,eV\)