Electron has energy of 100 eV what will be its wavelength &

A photon has energy equal to 10^10 eV . Calculate its wavelength.

The electron in given Bohr orbit has a total energy of -3.4 eV.Calculate its wavelength of the light eitted ,if an electron makes a transition to the ground state.(Ground state energy = -13.6 eV).

The electron in a given Bohr orbit has a total energy of -1.51 eV. calculate the wavelength of radiation emitted, when this electron makes a transition of the ground state.

An electron beam has a kinetic energy equal to 100 eV . Find its wavelength associated with a beam , if mass of electron = 9.1 xx 10^(-31) " kg and 1 eV " = 1.6 xx 10^(-19) J . (Planks's constant = 6.6 xx 10^(-34) J-s)

An electron beam has a kinetic energy equal to 100 eV . Find its wavelength associated with a beam , if mass of electron = 9.1 xx 10^(-31) " kg and 1 eV " = 1.6 xx 10^(-19) J . (Planks's constant = 6.6 xx 10^(-34) J-s)

Find the energy that should be added to an electron of energy 2eV to reduce its de-Broglie wavelength from 1nm to 0.5nm.

An electron experiment was performed with a beam of electron accelerated by a potential difference of 10.0 k eV .What is the wavelength of the electron beam

An electron experiment was performed with a beam of electron accelerated by a potentail difference of 10.0 k eV .What is the wavelength of the electron beam

In an excited state of hydrogen like atom an electron has a total energy of -3.4 eV. Then its de Broglie wavelength is nearly