112 2. For, ideal a PV = Lonsta KELT, T.: 300k, T2:48 KETL300 KE2 T2 0 ) h. At ok , KE=0 , 9 5. KELT 26 KEIZ IE: 2- tie theory of gases o Oxygen and hydrogen are at the same temperature T. The the mean kinetic energy of oxygen molecules to that of the hydrogen molecules will be $ (a) 16:1 (b) 4:1 P (1:1 (d) 1:4 v The product of the pressure and volume of an ideal gas is A constant (b) Directly proportional to its temperature. PVZRT (e) Inversely proportional to its temperature. 2 (2) Approx equal to the universal gas constant N The matio of mean kinetic energy of hydrogen and nitrogen at +60 3 temperature 300 K and 450 K respectively is (of 2-3 (6) 3:2 (c) 4:9 (d) 2:2 Atok which of the following properties of a gas will be zero (e) Density - (6) (c) Potential energy-) (A) Vibrational energie Ti 300k, Eloos The mean kinetic energy of a gas at 300 K is 1001, mean energy of the past 450 K is equal to (a) 1003 I 1503 (c) 2000 (d) 4503 When temperature of an ideal gas is increased from 27C to 227C, its sms speed changed from 400 ms to Vs The Vs is 56 ms () 746 mm 310 ms (d) 450 ms RMS velocity of Particle is c at pressure P. If pressure is cu te is then R.M.S. velocity becomes thres EP 300 c (e) ac (d) 3 unsa The temperature of a gas stand om vir Ti 21 +275 = So agli volume constant ir its temperature is raised to see Tots Sock Utsbooms 647 (d) 6P ces of a gas chy proportional to Pendant E2= Ork a) 05 82 - 5 & PAT 20 TS 1 - we will be A CR circuit consist of a variable capacitor and a resistor of 40, which are connected in series with an ac source of 280 V, 50 Hz and it offers 70 01 impedance to the circuit. Find the (a) Capacitive reactance of the capacitor (b) Capacitance of the capacitor (0) Current in the circuit (d) Voltage drop across each element (e) Phase angle ? !! = = @ OP