Kinetic Theory — practice questions
41 curated practice questions from Kinetic Theory (Physics Class 11, CBSE) — 41 easy. Every question includes the final answer free; step-by-step worked solutions with a free account.
- The root mean square speed of smoke particles each of mass 5 × 10 –17 kg in their Brownian motion in air at N.T.P is
- An insulated container containing monoatomic gas of molar mass m moving with a velocity v 0 . If the container is…
- A vessel has 6 g of oxygen at pressure P and temperature 400 K. A small hole is made in it so that oxygen leaks out…
- The heat capacity per mole of water is ( R is universal gas constant)
- An air bubble of volume 1.0 cm 3 rises from the bottom of a lake 40 m deep at a temperature of 12 °C. To what volume…
- A gas is filled in a container at pressure P 0 . If the mass of molecules is halved and their rms speed is doubled…
- A vessel has 6 g of hydrogen at pressure P and temperature 500 K. A small hole is made in it so that hydrogen leaks…
- Which of the following graphs represent the behaviour of an ideal gas ?
- A sample of an ideal gas occupies a volume V at pressure P and absolute temperature T . The mass of each molecule is m…
- Pressure versus temperature graph of an ideal gas of equal number of moles of different volumes are plotted as shown in…
- If the pressure and the volume of certain quantity of ideal gas are halved, then its temperature
- The average translational kinetic energy of O 2 at a particular temperatures 0.768 eV. The average translational…
- 1 mole of a gas with = 7 5 is mixed with 1 mole of gas with = 5 3 , the value of γ of the resulting mixture of
- The temperature of an ideal gas is increased from 120 K to 480 K. If at 120 K, the rms velocity of the gas molecules is…
- A cylinder of fixed capacity 44.8 litres contains helium gas at standard temperature and pressure. What is the amount…
- The temperature of an ideal gas is increased from 27 °C to 127 °C, then percentage increase in v rms is
- At what temperature is the root mean square speed of an atom in an argon gas cylinder equal to the rms speed of a…
- Which one of the following is not an assumption of kinetic theory of gases?
- Cooking gas containers are kept in a lorry moving with uniform speed. The temperature of the gas molecules inside will
- The molecules of a given mass of a gas have root mean square speeds of 100 m s –1 at 27 °C and 1 atmospheric pressure…
- In a certain region of space there are only 5 molecules per cm 3 on an average. The temperature there is 3 K. The…
- An inflated rubber balloon contains one mole of an ideal gas, has a pressure P , volume V and temperature T . If the…
- One kg of a diatomic gas is at a pressure of 8 × 10 4 N m –2 . The density of the gas is 4 kg m –3 . The energy of the…
- Given is the graph between and P for 1 g of oxygen gas at two different temperatures T 1 and T 2 , as shown in figure…
- A gas mixture consists of 2 moles of oxygen and 4 moles of Argon at temperature T . Neglecting all vibrational modes…
- If a gas has n degrees of freedom ratio of specific heats of gas
- A vessel is filled with a gas at a pressure of 76 cm of mercury of a certain temperature. The mass of the gas is…
- At what temperature is the rms velocity of hydrogen molecule equal to that of an oxygen molecule at 47 °C?
- Two moles of a gas A at 27 °C mixed with a 3 moles of gas at 37 °C. If both are monoatomic ideal gases, what will be…
- If for a gas R C_ V =0.67, this gas is made up of molecules which are
- 0.014 kg of nitrogen is enclosed in a vessel at a temperature of 27 °C. How much heat has to be transferred to the gas…
- If three molecules have velocities 0.5 km s –1 , 1 km s –1 and 2 km s –1 , the ratio of the rms speed and average speed…
- 1 mole of an ideal gas is contained in a cubical volume V , ABCDEFGH at 300 K as shown in figure. One face of the cube…
- The kinetic theory of gases gives the formula P V= 1 3 N m v ^ 2 for the pressure P exerted by a gas enclosed in a…
- A gas at 300 K has pressure 4 × 10 –10 N m –2 . If k B = 1.38 × 10 –23 J K –1 , the number of molecules per cm 3 is of…
- A vessel contains two non-reactive gases neon (monoatomic) and oxygen (diatomic). The ratio of their partial pressures…
- One half mole each of nitrogen , oxygen and carbon dioxide are mixed in enclosure of volume 5 litres and temperature 27…
- When the temperature of a gas filled in a closed vessel is increased by 1 °C, its pressure increases by 0.4 percent…
- A vessel containing 1 mole of O 2 gas (molar mass 32) at a temperature T . The pressure of the gas is P . An identical…
- 1 mole of H 2 gas is contained in a box of volume V = 1.00 m 3 at T = 300 K. The gas is heated to a temperature of T =…
- Three moles of oxygen are mixed with two moles of helium. What will be the ratio of specific heats at constant pressure…