The `Ka` X-ray of molybdenum has wavelength 71 pm. If the energy of a molybdenum atom with a K electron knocked out is 23:32 keV, what will be the energy of this atom when an L electron is knocked out?

The K_(alpha) X-ray of molybdenum has wavelength 0.071 nm. If the energy of a molybdenum atoms with a K electron knocked out is 27.5 keV, the energy of this atom when an L electron is knocked out will be ____________ keV. (Round off to the nearest integer) ["h"=4.14xx10^(-15)" eVs",c=3xx10^(8)" ms"^(-1)]

The K_(alpha) X-rays of moylydenum has a wavelength of 71xx10^(-12)m . If the energy of molybdenum atom with molybdenum atom when an L-electron removed is (hc=12.42xx10^(-7)eV)

If the energy of an electron in the second Bohr orbit of H-atom is -E, what is the energy of the electron in the Bohr's first orbit?

What is the energy of electron in hydrogen atom for n = oo .

If an electron in a hydrogen atom is moving with a kinetic energy of 5.45 xx10^(-19) j then what will be the energy level for this electron ?

The K_beta X-ray of argon has a wavelength of 0.36 nm. The minimum energy needed to ironize an argon atom is 16 eV. Find the energy needed to knock out an electron from the K shell of an argon atom.

The X-ray coming from a Coolidge tube has a cutoff wavelength of 80 pm. Find the kinetic energy of the electrons hitting the target.