A) 1.086 : 1 done clear
B) 1 : 1.086 done clear
C) 2 : 1.086 done clear
D) 1.086 : 2 done clear
View Solution play_arrowquestion_answer2) Which is not true in case of an ideal gas [CBSE PMT 1991]
A) It cannot be converted into a liquid done clear
B) There is no interaction between the molecules done clear
C) All molecules of the gas move with same speed done clear
D) At a given temperature, PV is proportional to the amount of the gas done clear
View Solution play_arrowA) 1 : 2 : 3 done clear
B) \[1:\sqrt{2}:\sqrt{3}\] done clear
C) \[\sqrt{2}:\sqrt{3}:\sqrt{8/\pi }\] done clear
D) \[\sqrt{2}:\sqrt{8/\pi }:\sqrt{3}\] done clear
View Solution play_arrowA) \[S{{O}_{2}}\] done clear
B) \[C{{O}_{2}}\] done clear
C) \[{{O}_{2}}\] done clear
D) \[{{H}_{2}}\] done clear
View Solution play_arrowA) 150 K done clear
B) 600 K done clear
C) 900 K done clear
D) 1200 K done clear
View Solution play_arrowA) \[\sqrt{3/5}\] done clear
B) \[\sqrt{4/3}\] done clear
C) \[\sqrt{2/3}\] done clear
D) 0.25 done clear
View Solution play_arrowA) \[6.17\times {{10}^{-21}}\,kJ\] done clear
B) \[6.17\times {{10}^{-21}}\,J\] done clear
C) \[6.17\times {{10}^{-20}}\,J\] done clear
D) \[6.17\times {{10}^{-20}}\,J\] done clear
View Solution play_arrowA) 273 K done clear
B) 606 K done clear
C) 303 K done clear
D) 403 K done clear
View Solution play_arrowA) \[S{{O}_{2}}\] done clear
B) \[{{N}_{2}}\] done clear
C) \[{{O}_{2}}\] done clear
D) \[C{{l}_{2}}\] done clear
View Solution play_arrowA) By heating the gas, the temperature is doubled done clear
B) By heating the gas, the pressure is quadrupled (i.e. made four times) done clear
C) By heating the gas, the temperature is quadrupled done clear
D) By heating the gas, the pressure is doubled done clear
View Solution play_arrowA) \[\sqrt{\frac{3P}{d}}\] done clear
B) \[\sqrt{\frac{3\,PV}{M}}\] done clear
C) \[\sqrt{\frac{3\,RT}{M}}\] done clear
D) All the above done clear
View Solution play_arrowquestion_answer12) Root mean square velocity of a gas molecule is proportional to [CBSE PMT 1990]
A) \[{{m}^{1/2}}\] done clear
B) \[{{m}^{0}}\] done clear
C) \[{{m}^{-1/2}}\] done clear
D) m done clear
View Solution play_arrowA) Increase in the average molecular speed done clear
B) Increased rate of collision amongst molecules done clear
C) Increase in molecular attraction done clear
D) Decrease in mean free path done clear
View Solution play_arrowA) \[\frac{{{m}_{1}}}{u_{1}^{2}}=\frac{{{m}_{2}}}{u_{2}^{2}}\] done clear
B) \[{{m}_{1}}{{u}_{1}}={{m}_{2}}{{u}_{2}}\] done clear
C) \[\frac{{{m}_{1}}}{{{u}_{1}}}=\frac{{{m}_{2}}}{{{u}_{2}}}\] done clear
D) \[{{m}_{1}}u_{1}^{2}={{m}_{2}}u_{2}^{2}\] done clear
View Solution play_arrowA) \[\sqrt{927/27}\]times the earlier value done clear
B) Same as before done clear
C) Halved done clear
D) Doubled done clear
View Solution play_arrowA) 4 done clear
B) 2 done clear
C) 1 done clear
D) 1/4 done clear
View Solution play_arrowA) \[{{d}^{2}}\] done clear
B) d done clear
C) \[\sqrt{d}\] done clear
D) \[1/\sqrt{d}\] done clear
View Solution play_arrowA) Smaller average speed done clear
B) Greater average speed done clear
C) Greater kinetic energy done clear
D) Greater mass done clear
View Solution play_arrowA) \[u/2\] done clear
B) 2u done clear
C) 4u done clear
D) 14u done clear
View Solution play_arrowquestion_answer20) Choose the correct arrangement, where the symbols have their usual meanings
A) \[\bar{u}>{{u}_{p}}>{{u}_{rms}}\] done clear
B) \[{{u}_{rms}}>\bar{u}>{{u}_{p}}\] done clear
C) \[{{u}_{p}}>\bar{u}>{{u}_{rms}}\] done clear
D) \[{{u}_{p}}>{{u}_{rms}}>\bar{u}\] done clear
View Solution play_arrowA) \[\pi /2\] done clear
B) \[2/\pi \] done clear
C) \[\sqrt{\pi }/2\] done clear
D) \[2/\sqrt{\pi }\] done clear
View Solution play_arrowA) \[1200K\] done clear
B) \[900\,K\] done clear
C) \[600K\] done clear
D) \[150K\] done clear
View Solution play_arrowquestion_answer23) The r.m.s. velocity of a gas depends upon [DCE 2002]
A) Temperature only done clear
B) Molecular mass only done clear
C) Temperature and molecular mass of gas done clear
D) None of these done clear
View Solution play_arrowA) 10.33 atm done clear
B) 9.33 atm done clear
C) 9.74 atm done clear
D) 9.2 atm done clear
View Solution play_arrowA) \[{{U}_{rms}}=\sqrt{\frac{3E}{2M}}\] done clear
B) \[{{U}_{rms}}=\sqrt{\frac{2E}{3M}}\] done clear
C) \[{{U}_{rms}}=\sqrt{\frac{2E}{M}}\] done clear
D) \[{{U}_{rms}}=\sqrt{\frac{E}{3M}}\] done clear
View Solution play_arrowquestion_answer26) Ratio of average to most probable velocity is [Orissa JEE 2005]
A) 1.128 done clear
B) 1.224 done clear
C) 1.0 done clear
D) 1.112 done clear
View Solution play_arrowA) 1 done clear
B) 2 done clear
C) 4 done clear
D) 0.001 done clear
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