Tag: nuclei
Questions Related to nuclei
A free nucleus of mass $24$ u emits a gamma photon [when initially at rest]. The energy of the photon is $7$ MeV. The recoil energy of the nucleus in keV is
Hydrogen atom will be in its ground state,if its electron is in
When writing electron configurations,electrons are represented in their lowest possible energy state.Which of the following state is this ?
A beam of ultraviolet radiation having wavelength between $100nm$ and $200nm$ is incident on a sample of atomic hydrogen gas. Assuming that the atoms are in ground state, which wavelengths will have low intensity in the transmitted beam?
The ground state energy of the electron in hydrogen atom is equal to :
The total energy of an electron in the ground state of hydrogen atom is $-13.6\space eV$. The potential energy of an electron in the ground state of $Li^{2+}$ ion will be
The ground state energy of Hydrogen atom is $–13.6eV$. The potential energy of the electron in this state is:
In which of the following systems will the radius of the first orbit (n = 1) be minimum ?
The angular momentum of electrons in an atom produces:
The binding energy per nucleon for $\mathrm { U } ^ { 238 }$ about 7.5Mev where as it is about 8.5 Mev for a nucleus having a mass half of Uranium. If $\mathrm { U } ^ { 238 }$ splits into two exact halves the energy released would be