Q. No.Consider a mixture of oxygen and hydrogen kept at room temperature. As compared to a hydrogen molecule, an oxygen molecule hits the wall:
(a)
with a greater average speed
(b)
with a smaller average speed
(c)
with greater average kinetic energy
(d)
with smaller average kinetic energy
Choose the correct option from the options given below:
1.
(a) and (b) only
2.
(b) only
3.
(c) and (d) only
4.
(a) and (d) only
Choose the correct option from the options given below:
Which of the following quantities is zero on average for the molecules of an ideal gas in equilibrium?
| (a) | kinetic energy | (b) | momentum |
| (c) | density | (d) | speed |
Choose the correct option from the given ones:
1. (a) and (b) only
2. (b) only
3. (c) and (d) only
4. (a) and (d) only
Keeping the number of moles, volume and temperature the same, which of the following are the same for all ideal gases ?
(a) rms speed of a molecule
(b) density
(c) pressure
(d) average magnitude of momentum.
Chooose the correct option
1. (a), (b)
2. (b) , (c)
3. (c) only
4. (a) (d)
Which of the following quantities is the same for all ideal gases at the same temperature ?
(a) the kinetic energy of 1 mole
(b) the kinetic energy of 1 g
(c) the number of molecules in 1 mole
(d) the number of molecules in 1 g
Chooose the correct option
1. (a), (b)
2. (b) , (c)
3. (c) , (d)
4. (a) (c)
Consider the quantity \(MkT \over pV\) of an ideal gas where M is the mass of the gas. It depends on the
(a) temperature of the gas
(b) volume of the gas
(c) pressure of the gas
(d) nature of the gas
Chooose the correct option
1. (a), (b)
2. (b) , (c)
3. (d) only
4. (a) (d)
Consider a collision between an oxygen molecule and a hydrogen molecule in a mixture of oxygen and hydrogen kept at room temperature. Which of the following are possible?
| (a) | The kinetic energies of both the molecules increase. |
| (b) | The kinetic energies of both the molecules decrease. |
| (c) | The kinetic energy of the oxygen molecule increases and that of the hydrogen molecule decreases. |
| (d) | The kinetic energy of the hydrogen molecule increases and that of the oxygen molecule decreases. |
1. (a), (b)
2. (b), (c)
3. (c), (d)
4. (a), (d)
The process on an ideal gas as shown in the figure given below is:
1. isothermal
2. isobaric
3. isochoric
4. none of these
| 1. | mass of the gas |
| 2. | kinetic energy of the gas |
| 3. | number of moles of the gas |
| 4. | number of molecules in the gas |
1. \(v\)
2. \(v\sqrt{2}\)
3. \(2v\)
4. \(4v\)
The pressure of a gas kept in an isothermal container is \(200~\text{kPa}.\) If half the gas is removed from it, the pressure will be:
1. \(100~\text{kPa}\)
2. \(200~\text{kPa}\)
3. \(400~\text{kPa}\)
4. \(800~\text{kPa}\)
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