Aptitude Test Problems in Physics Science for Everyone by S Krotov ( PDFDrive.com )

Solutions^217 be seen that the work is A = Mgh, Mgh — 3 liR (Tf—Tj). 2 and hence (3) termwise and we obtain the (4) Subtracting ...

(^218) Aptitude Test Problems in Physics Substituting the expressions for AU and A into the first law of thermodynamics and taki ...

Solutions 29 Thus, by the moment of displacement of the piston by x = 1/2, the total work done by the gas will be equal to the s ...

(^220) Aptitude Test Problems in Physics system. Since there is no friction and the vessel is thermally insulated, the entire am ...

Solutions (^221) Thus, the change in the potential energy of the compressed spring as a result of heating of the system is R 6 W ...

222 Aptitude Test Problems in Physics the gas remains constant, and the entire amount of heat Q 2 supplied to the gas is spent o ...

Solutions (^223) where p is the density of the atmosphere. While determining the pressure of the atmospheric col- umn, we assume ...

224 Aptitude Test Problems in Physics Hence we can determine T: T — Tr2Tout1 — Trarout2 q, — 60 °C. Tr2+ TOUtl- TOUt2- ri 2.17. ...

Solutions 225 Here Slat is the lateral surface of the inner tube, Slat = 2xtrl, where r is the radius of the inner tube, i.e. tr ...

226 Aptitude Test Problems in Physics become m = psatS/a, and the vessel will contain a liquid having the mass M Psa tS a 2.20. ...

Solutions (^227) tion of state for an ideal gas, the pressure of hy- drogen is m., '.2 2 x10-3 lig x .1/(mol .K) r PII2^ H 11T . ...

228 Aptitude Test Problems in Physics problem, we obtain the initial and final tempera- tures in the vessel: pi = 17 x 10 5 Pa, ...

Solutions (^229) Water is kept in the capillary by surface tension. If ph is the surface tension at the temperature Th, we can w ...

(^230) Aptitude Test Problems in Physics 2.24, The condition of equilibrium for the soap bubble film consists in that the air pr ...

Solutions (^231) whence n 2 1 - (T --- T 2 ) (T — T)-1. 2 ci By hypothesis, 2 (T 1 — T) = T 1 — T 2 , and hence T — T2 = T1 ...

232 Aptitude Test Problems in Physics amount of heat AQ lost by the vessel leads to a decrease in the temperature of the vessel ...

Solutions (^233) Pw/Pice^ 1.1, and the level of water in the calo- rimeter would have increased by (h/3) (1.1 — 1) 2.5 cm, while ...

(^234) Aptitude Test Problems in Physics We write the energy conservation law: 4 X Am (cice cw) m A T. Let us estimate the work ...

Solutions 235 (2) We now take into account the compressi- bility of water and ice. The change in the volume of water and ice wil ...

236 Aptitude Test Problems in Physics Hence we can find the latent heat of sublimation of water at the triple point: v = X, q = ...