114 questions from this paper that are in the bank. Each opens with its answer and explanation.
ABC26PH1274 · A certain 2-level system has stationary state energies E1 and E2 (E1<E2) with normalized wave functions phi 1 and phi 2 respectively. In… · Perturbation Theory
ABC26PH1275 · The radial part of a hydrogenic wave function is given as r(alpha -r) e- beta r (alpha, beta are constants). This function is then… · Hydrogen Atom
ABC26PH1276 · A normalised state phi is constructed as a linear combination of the ground state (psi 0) and the first excited state (psi 1) of some… · Harmonic Oscillator
ABC26PH1340 · When Si is doped with a Group V element · Band Theory
ABC26PH1341 · The interplanar spacing of (110) planes in a cubic unit cell with lattice parameter a=4.242 Å is · Crystal Systems Lattices
ABC26PH1342 · A compound Ax By has a cubic structure with A atoms occupying all the corners of the cube as well as all the face center positions. The B… · Solid State Chemistry – General
ABC26PH1373 · Two alpha particles having speeds S1 and S2 have kinetic 1 and 2 MeV respectively; the relationship between S1 and S2 is · Statistical Thermodynamics – General
ABC26PH1383 · The translational, rotational and vibrational partition functions for a molecule are ftranslation = 1010 m-1, frotation =10, fvibration =1… · Partition Functions
ABC26PH1384 · The number of configurations in the most probable state, according to Boltzmann formula, is · Statistical Equilibrium
ABC26PH1425 · For the non dissociative Langmuir type adsorption of a gas on a solid surface at a particular temperature, the fraction of surface coverage… · Adsorption Isotherms
ABC26PH1469 · The figure below represents the path followed by a gas during expansion from A → B. The work done is (L atm) · Thermodynamics – General
ABC26PH1470 · Two phases alpha and beta of a species are in equilibrium. The correct relations observed among the variables, T, p and mu are · Thermodynamics – General
ABC26PH1471 · In a bomb calorimeter, the combustion of 0.5 g of compound A (molar mass =50 g mol-1) increased the temperature by 4 K. If the heat… · Laws State Functions
ABC26PH1472 · The number of phases, components and degrees of freedom, when Ar is added to an equilibrium mixture of NO, O2 and NO2 in gas phase are… · Thermodynamics – General