ABC26PH0204 · The probability of finding the harmonic oscillator in the energy level n=1 is (neglect zero point energy and assume h u=kBT) · DEC 2014
ABC26PH0205 · Identify the speed distribution functions of Ne, Ar and Kr with the curves in the figure above: · DEC 2014
ABC26PH1395 · The weight of configuration with two ups and three down spins in a system with five spin 1/2 particles is · DEC 2016
ABC26PH1397 · Consider a system of three particles which can occupy energy levels with energy 0, and 2 , such that the total energy E=4 . Cases A, B and… · JUNE 2017
ABC26PH1398 · The first excited state ( 2 P1 / 2 ) of fluorine lies at an energy of 400 cm-1 above the ground state ( 2 P3 / 2 ). The fraction of… · JUNE 2017
ABC26PH1399 · The term symbol for the ground state of a metal ion is 3 P2. The residual entropy of a crystal of a salt of this metal ion at 0 K is : · DEC 2017
ABC26PH1402 · The free energy [A-A(0)] of a system with 10 non interacting spins (S=I) is · DEC 2018
ABC26PH1405 · For a linear molecule the mean energies for translation, rotation (T ) and vibration (T ) follow ratio: · JUNE 2019
ABC26PH1406 · The populations of proton spins in the highest energy level of a sample in magnetic fields of 1.5T and 7.0 T are N' and N, respectively… · JUNE 2019self-practice
ABC26PH1407 · The difference between standard molar entropies of two mono-atomic gases (A) and (B) (Sm, A0-Sm, B0 ) at a given temperature is (given that… · JUNE 2019
ABC26PH0209 · The populations of proton spins in the highest energy level of a sample in magnetic fields of 1.5T and 7.0 T are N' and N, respectively… · JUNE 2019
ABC26PH1408 · Consider a two-level system in which the excited state, separated from the ground state by energy , is doubly degenerate. The fraction of… · DEC 2019
ABC26PH0210 · The molar residual entropy (in J\,K-1) of solid OCS would be closest to · DEC 2019self-practice