Physics questions
20027 published questions with worked solutions.
- A uniform rod of mass ‘M’ and length ‘L’ is suspended from the rigid support. A small bullet of mass ‘m’ hits the rod with...
- A door 1.2 m wide requires a force of 1 N to be applied perpendicular at the free end to open or close it. The perpendicular...
- A ball released from a certain height strikes the ground after 2 second. After bouncing from the ground it rises to a highest...
- In a system of two particles of masses ‘m_1’ and ‘m_2’, the second particle is moved by a distance ‘d’ towards the centre of...
- A man of weight ‘W’ is standing in a lift which is moving upwards with acceleration ‘a’. The apparent weight of the man is...
- A block of mass ‘m’ collides with another stationary block of mass ‘2m’. The lighter block comes to rest after collision. If the...
- A ball at rest falls vertically on the ground from a height of 5m. The coefficient of restitution is 0.4. The maximum height of...
- The gas equation PV/2 = RT, V stands for
- Heat is absorbed by a body but its temperature does not rise. The following statement explain the phenomena of
- The absolute temperature of a gas is determined by
- According to kinetic theory of gases at absolute zero temperature
- Heat is
- The volume of gas at 27^ and 1 atm pressure is 1 lit. If the pressure is doubled and absolute temperature is made half, then the...
- To what temperature in ^ a gas has to be heated to produce 10% change in volume at constant pressure, if the initial temperature...
- If the volume of an ideal gas decreased by 5% at constant temperature, the increase of pressure is
- If there were no intermolecular forces between gas molecules, the pressure due to a given sample of gas will
- In an ideal gas, total energy of the molecules is
- The molar gas constant is same for all gases because at the same temperature and pressure, equal volumes of gases have the same
- The temperature of a gas in a rigid container is raised, the pressure exerted by the gas on the walls of the container increases...
- The potential energy between the molecules of an ideal gas is :