Physics questions
20027 published questions with worked solutions.
- S.I. unit of universal gas constant is [MNR 1988, MP PMT 1994, UPSEAT 1999]
- Three containers of the same, volume contain three different gases. The masses of the molecules are m_1, m_2 and m_3 and the...
- At 0 ,^ C the density of a fixed mass of a gas divided by pressure is x. At 100 ,^ C , the ratio will be
- Kinetic energy of gases was put forward by
- The root mean square velocity of a gas molecule of mass m at a given temperature is proportional to
- The speed of four gases molecules are 1 km/s, 3 km/s, 5 km/s and 7 km/s respectively. The difference between the R.M.S. speed and...
- The molecules of a given mass of a gas have a R.M.S. velocity of 200 m/s at 27 ,^ C and 1.0 10^5 N/m^2 pressure. When the...
- When temperature of an ideal gas is increased from 27 ,^ C to 227 ,^ C , its R.M.S. speed changed from 400 metre/s to v_s. The...
- Gases exert pressure on the walls of the container because the gas molecules [MH-CET 2014]
- The r.m.s speed of oxygen is v at a particular temperature. If the temperature is doubled and oxygen molecules dissociate into...
- At what temperature, will R.M.S. velocity of hydrogen be four times of its value at N.T.P.?
- In kinetic theory of gases a molecule of mass m of an ideal gas collides with a wall of vessel with velocity v. The change in the...
- To what temperature should hydrogen at 327 ,^ C be cooled at constant pressure so that root mean square velocity of its molecule...
- Gas exerts pressure on the walls of container because the molecules [NCERT 1985, MP PMT 1995, MP PMT 1996]
- The pressure exerted in terms of total kinetic energy per unit volume (E) is
- The absolute temperature of a gas is determined by [NCERT 1974, AFMC 1994, MH-CET 2001]
- In the expression for Boyle's law, the product 'PV' has dimensions of [MH-CET 2015]
- Each question contains Statement 1 and Statement 2. Choose the correct option. Statement 1: The total translational kinetic...
- The temperature, at which kinetic energy of a gas is doubled of its value at N.T.P., is
- If the R.M.S velocity of a gas at a given temperature (Kelvin scale) is 300 m/s. What will be the R.M.S velocity of a gas having...