Q. The de Broglie wavelength of electron of $H e^{+}$ ion is $3.329 \overset{˚}{A}$ . If the photon emitted upon deexcitation of this $H e^{+}$ ion is made to hit $H$ -atom in its ground state so as to liberate electron from it, what will be the de-Broglie's wavelength of photoelectron.

567 161 Structure of Atom Report Error

Answer: 2.35

Solution:

Q. The de Broglie wavelength of electron of He+ion is 3.329A˚. If the photon emitted upon deexcitation of this He+ion is made to hit H-atom in its ground state so as to liberate electron from it, what will be the de-Broglie's wavelength of photoelectron.