Consider a hydrogen atom with its electron in the orbital

PHYSICS · Subjective · CBSE · Physics · Atoms · Atoms

Problem

Consider a hydrogen atom with its electron in the

n^{\text{th}}

orbital. An electromagnetic radiation of wavelength 90 nm is used to ionize the atom. If the kinetic energy of the ejected electron is 10.4 eV, then the value of

n

is (

hc = 1242

eV nm) [Adv. 2015]

Related theory

Quantum Explanation of PE
Atomic Models
Atomic physics
Bohr's postulates
Energy levels and line spectra of hydrogen
Atoms

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