Physics questions
20027 published questions with worked solutions.
- The r. m. s. velocity of molecules of gas is directly proportional to :
- The velocities of the molecules after every collision:
- Of the following properties of a gas molecules, the one that is same for all gases at a particular temperature is :
- A gas at a pressure P_0 is contained in a vessel. If the masses of all molecules are halved and their velocities doubled the...
- The mass of an oxygen molecule is about 16 times that of a hydrogen molecule. At room temperature, the rms speed of oxygen...
- The absolute temperature of a gas is increased 3 times. The root mean square velocity of the molecules will become:
- At what temperature is the kinetic energy of gas molecule double that of its value of 27^ ?
- The temperature of hydrogen at which the root mean square velocity of its molecules is equal to that of oxygen molecules at a...
- The kinetic energy of nitrogen molecules at 27^ is:
- Absolute temperature of a gas measures
- The average kinetic energy of the molecules of a gas is
- At zero Kelvin, which of the following properties of a gas will be zero?
- When a gas is in thermal equilibrium, its molecules have
- Oxygen and Helium gas are in same container. Which one has greater K.E. per molecule?
- The kinetic energy of a gas at t^ is proportional to
- Kinetic energy of a gram molecule of the gas is
- In an equilibrium state, pressure exerted by the gas molecules of a perfect gas on walls of a container is proportional to:
- The root mean square velocity of a gas molecule of mass m at a given temperature is proportional to the:
- The mean kinetic energy of a perfect gas molecule at temperature T K is
- The mean kinetic energy per molecule per degree of freedom of a gas is