Physics questions
20027 published questions with worked solutions.
- The following four gases are at the same temperature. The gas whose molecules have the maximum r.m.s. velocity is
- The R.M.S velocity of a gas molecule is given by
- What is the temperature at which the velocity of oxygen will be half that of hydrogen at NTP?
- Four molecules of a gas are having speeds of 1, 4, 8 and 16 m ,s^ -1 . The root mean square velocity of the gas molecules is
- To what temperature should hydrogen at 327^ C be cooled at constant pressure so that the r.m.s. velocity of its molecules becomes...
- The temperature at which the root mean square velocity of hydrogen gas molecules is equal to that of oxygen molecules at 47^ C is
- Four molecules of a gas have velocity 2, 4, 6 & 8 km/s respectively. The ratio of the r.m.s. speed to the average speed is :
- The rms velocity of hydrogen molecules at a certain temperature is 4 km/sec . What is the rms velocity of oxygen molecules at...
- Kinetic energy of one gram molecule of a gas, at normal temperature and pressure is (R=8.31 J/mol ,K ): [MHT-CET 1999]
- The RMS velocity of hydrogen gas molecules at NTP is V m/s . The gas is heated at constant volume till the pressure becomes four...
- If the rms velocity of oxygen molecules at certain temperature is 0.8 km/sec , the r.m.s. velocity for hydrogen molecule at the...
- The molecular weights of oxygen and hydrogen are 32 and 2 respectively. The root mean square velocities of oxygen and hydrogen at...
- The temperature of an ideal gas is increased from 27^ C to 927^ C . The root mean square speed of its molecules become
- The root mean square velocity of the gas molecules is 300 m/s . What will be the root mean square speed of the molecules, if the...
- The root mean square velocity of helium molecules is 5/7^ th that of hydrogen molecules. If the temperature of hydrogen is 0^ C ,...
- The molecules of a given mass of gas have a root mean square velocity of 200 m/s at 27^ C and 1.0 10^ 5 N ,m^ -2 pressure. When...
- The RMS velocity of gas molecules is 300 m/s . If its absolute temperature is reduced to half and molecular weight doubled, then...
- If the density of air at N.T.P. is 1.25 kg/m^3 , the r.m.s. velocity of air molecules at N.T.P. will be
- If the density of hydrogen gas at N.T.P. is 8.93 10^ -5 gm/cm^3 then the rms speed of the molecules of the hydrogen gas at NTP...
- What will be r.m.s. speed of a gas at 800 K ?