Frequency of the de-Broglie wave of electron in Bohr's first orbit of hydrogen atom is ______ × 1013

For hydrogen atom, energy of an electron in first excited state is −3.4 eV, K.E. of the same electro

The energy of an electron in the first Bohr orbit of the H-atom is -13.6 eV. The magnitude of energy

The surface of sodium metal is irradiated with radiation of wavelength x nm. The kinetic energy of e

Consider two radiations of wavelengths λ₁ = 2000 Å λ₂ = 6000 Å The ratio of the energies of these tw

The uncertainty in the momentum of a particle is 2.5 × 10–16 g cm s–1. With what accuracy can its po