Atomic Physics

Rutherford's alpha-particle scattering experiment showed that ...

According to Bohr's atomic model, electrons orbit the nucleus in ...

The energy of an electron in a hydrogen atom at level $n$ is given by ...

The ground-state energy of a hydrogen atom is ...

A photon is emitted by an atom when an electron ...

The de Broglie wavelength of a particle is given by ...

The energy of a hydrogen electron at shell $n=2$ is ...

The energy of a hydrogen electron at shell $n=3$ is ...

A hydrogen electron transitions from $n=3$ to $n=2$. The energy of the emitted photon is ...

A hydrogen electron transitions from $n=2$ to $n=1$. The energy of the emitted photon is ...

The ionization energy of a hydrogen atom from the ground state is ...

A photon of energy $1.89\text{eV}$ has a frequency of ... $(h=6.63\times 10^{-34}\text{J}\cdot \text{s},1\text{eV}=1.6\times 10^{-19}\text{J})$

An electron has a momentum of $1.5\times 10^{-24}\text{kg}\cdot \text{m/s}$. Its de Broglie wavelength is ... $(h=6.63\times 10^{-34}\text{J}\cdot \text{s})$

The Balmer series in the hydrogen spectrum lies in the ... region.

An electron transitions from $n=4$ $(E=-0.85\text{eV})$ to $n=2$ $(E=-3.4\text{eV})$. The emitted photon energy is ...

A metal has a work function of $2\text{eV}$. Light with photon energy $3.2\text{eV}$ strikes the metal. The maximum kinetic energy of the photoelectrons is ...

An electron is accelerated by a potential difference $V$. Its de Broglie wavelength can be expressed as ...

The Rydberg formula for the wavelengths of the hydrogen spectrum is ...

A hydrogen atom is excited up to $n=4$. The number of possible spectral lines emitted is ...

A photon with wavelength $500\text{nm}$ has a momentum of ... $(h=6.63\times 10^{-34}\text{J}\cdot \text{s})$