are root mean square, average and most probable speeds of molecules of a gas obeying Maxwellian velocity distribution. Which of the following statements is correct?
1.
2.
3.
4.
Gas is found to obey the law = constant. The initial temperature and volume are and . If the gas expands to a volume , its final temperature becomes:
1.
2.
3.
4. None of these
The curve between absolute temperature and \({v}^2_{rms}\) is:
1. | 2. | ||
3. | 4. |
The root-mean-square (RMS) speed of oxygen molecules at a certain absolute temperature is v. If the temperature is doubled and the oxygen gas dissociates into atomic oxygen, the RMS speed would be:
1. V
2.
3. 2 v
4. 2
At what temperature is the root mean square speed of molecules of hydrogen twice as that at STP?
1. \(273~\text K\)
2. \(546~\text K\)
3. \(819~\text K\)
4. \(1092~\text K\)
Volume, pressure, and temperature of an ideal gas are \(V,\) \(P,\) and \(T\) respectively. If the mass of its molecule is \(m,\) then its density is:
[\(k\)=Boltzmann's constant]
1. | \(mkT\) | 2. | \(\dfrac{P}{kT}\) |
3. | \(\dfrac{P}{kTV}\) | 4. | \(\dfrac{Pm}{kT}\) |
In the adjacent V-T diagram, what is the relation between ?
1.
2.
3.
4. cannot be predicated
Which one of the following graph is correct at constant pressure?
1. | 2. | ||
3. | 4. |
The equation is known as:
1. Perfect gas equation
2. Joule Thomson's equation
3. Vander Waal's equation
4. Maxwell's equation
The temperature of an ideal gas is increased from to . The r.m.s. speed of its molecules becomes-
1. twice
2. half
3. four times
4. one fourth