Given below are two statements
Statement I: Frequency of He⁺ ion of 2nd line of Balmer series is equal to that of 1st line of Paschen series of He⁺ ion.
Statement II: Radius of 2nd Bohr orbit of He⁺ ion is equal to that of 2nd Bohr orbit of H atom.
In the light of above statements, choose the most appropriate answer from the options given below.

Which of the following statements are correct? (A) Work function (ϕ) is same for
NextWhat is potential energy of an electron present in N-shell of the Be3+ ion
Frequency of the de-Broglie wave of electron in Bohr's first orbit of hydrogen atom is ______ × 1013
MediumFor hydrogen atom, energy of an electron in first excited state is −3.4 eV, K.E. of the same electro
MediumThe energy of an electron in the first Bohr orbit of the H-atom is -13.6 eV. The magnitude of energy
MediumThe surface of sodium metal is irradiated with radiation of wavelength x nm. The kinetic energy of e
MediumConsider two radiations of wavelengths λ₁ = 2000 Å λ₂ = 6000 Å The ratio of the energies of these tw
MediumThe uncertainty in the momentum of a particle is 2.5 × 10–16 g cm s–1. With what accuracy can its po
Practice Chemistry Exams
Full-length mock tests with detailed analytics, rank, and percentile.
Browse Exams