Bohr Model of Hydrogen-Like Atoms

JEE Main Physics · Atoms and Nuclei · 24 questions, latest first

• Using Bohr's model, calculate the ratio of the magnetic fields generated due to the motion of the electrons in the 2^nd and 4^th…20262 April, Shift 2 · Q47
• Angular momentum of an electron in a hydrogen atom is (3 h)/(π), then the energy of the electron is ____ eV.20262 April, Shift 1 · Q44
• Two electrons are moving in orbits of two hydrogen like atoms with speeds 3 × 10^5 m / s and 2.5 × 10^5 m / s respectively. If…202624 January, Shift 1 · Q45
• The energy of an electron in an orbit of the Bohr's atom is -0.04 E_0 eV where E_0 is the ground state energy. If L is the…202621 January, Shift 2 · Q44
• Given below are two statements: Statement (I): The dimensions of Planck's constant and angular momentum are same. Statement (II):…20254 April, Shift 2 · Q41
• Considering the Bohr model of hydrogen like atoms, the ratio of the radius of 5^th orbit of the electron in Li^2+ and He^+ is20254 April, Shift 1 · Q43
• Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: The Bohr model…20253 April, Shift 2 · Q44
• Assuming the validity of Bohr's atomic model for hydrogen like ions the radius of Li^++ ion in its ground state is given by 1/X…20252 April, Shift 2 · Q40
• The frequency of revolution of the electron in Bohr's orbit varies with n, the principal quantum number as202528 January, Shift 2 · Q43
• An electron projected perpendicular to a uniform magnetic field B moves in a circle. If Bohr's quantization is applicable, then…202522 January, Shift 2 · Q44
• Radius of a certain orbit of hydrogen atom is 8.48. If energy of electron in this orbit is E / x. then x= ____. (Given a_o=0.529,…20246 April, Shift 1 · Q60
• The angular momentum of an electron in a hydrogen atom is proportional to: (Where r is the radius of orbit of electron)20245 April, Shift 2 · Q48
• An electron rotates in a circle around a nucleus having positive charge Ze. Correct relation between total energy (E) of electron…20245 April, Shift 1 · Q48
• According to Bohr's theory, the moment of momentum of an electron revolving in 4^th orbit of hydrogen atom is:20244 April, Shift 2 · Q48
• An electron revolving in n^th Bohr orbit has magnetic moment μ_n. If μ_n α n^x, the value of x is202430 January, Shift 2 · Q48
• The ratio of the magnitude of the kinetic energy to the potential energy of an electron in the 5^th excited state of a hydrogen…202430 January, Shift 1 · Q47
• The radius of third stationary orbit of electron for Bohr's atom is R. The radius of fourth stationary orbit will be:202427 January, Shift 1 · Q47
• The radius of 2^nd orbit of He^+ of Bohr's model is r_1 and that of fourth orbit of Be^3+ is represented as r_2. Now the ratio…202313 April, Shift 1 · Q51
• The angular momentum for the electron in Bohr's orbit is L. If the electron is assumed to revolve in second orbit of hydrogen…202310 April, Shift 1 · Q44
• A small particle of mass m moves in such a way that its potential energy U=1/2 m ω^2 r^2 where ω is constant and r is the…20236 April, Shift 2 · Q43
• Experimentally it is found that 12.8 eV energy is required to separate a hydrogen atom into a proton and an electron. So the…20236 April, Shift 2 · Q56
• The radius of fifth orbit of the Li^++ is ____ × 10^-12 m. Take: radius of hydrogen atom =0.5120236 April, Shift 1 · Q53
• The radius of electron's second stationary orbit in Bohr's atom is R. The radius of 3rd orbit will be:202331 January, Shift 2 · Q3
• Speed of an electron in Bohr's 7^th orbit for Hydrogen atom is 3.6 × 10^6 m / s. The corresponding speed of the electron in 3^rd…202330 January, Shift 1 · Q18