Question 1 :
A gas has a molecular diameter of 0.1 m. It also has a mean free path of 2.25 m. What is its density?<br>
Question 2 :
If the value of R = 2/5 C$_v$ for a gas, then the atomicity of the gas will be:
Question 4 :
If the pressure in a closed vessel is reduced by drawing out some gas, the mean-free path of molecules :
Question 5 :
Significant motion for the molecules of a monoatomic gas corresponds to :
Question 6 :
Which of the following gives evidence to kinetic theory of gases?
Question 7 :
Gas exerts pressure on the walls of container because the molecules-
Question 8 :
<p class="wysiwyg-text-align-left">A ballon filled with air at 47$^{0}$C has volume of 3 litre. If ballon is kept in a room its volume becomes 2.7 litre, the temperature of the room is :<br/></p>
Question 9 :
Which of the following is/are true on the basis of kinetic theory of matter?<br/><br/>
Question 11 :
If for a gas $\dfrac{R}{C_{v}}=0.67$, then the gas is made up of molecules which are :<br/>
Question 12 :
The correct relation connecting the universal gas constant (R), Avogadro number N$_A$ and Boltzmann constant (K) is :
Question 13 :
<p class="wysiwyg-text-align-left">In the equation PV=constant, the numerical value of constant depends upon<br/></p><p class="wysiwyg-text-align-left">a) temperature                 b) mass of the gas</p><p>c) system of units used   d) nature of the gas</p>
Question 14 :
The average energy per molecule of a triatomic gas at room temperature T is?
Question 15 :
The gas law $\left [ \dfrac{PV}{T} \right ]=$ constant is true for<br/>
Question 16 :
Assertion: Rate of diffusion of a gas is inversely proportional to the square rate of its density
Reason: Hydrogen is the lightest gas known. so it diffuses most readily
Question 18 :
The value of gas constant $R$ (in cal/mol-K) for hydrogen is :
Question 19 :
<p class="wysiwyg-text-align-left">The mass of oxygen gas (in Kilo grams) occupying a volume of 11.2 litre at a temperature 27$^{0}$C and a pressure of 76cm of mercury is :</p><p class="wysiwyg-text-align-left">(Molecular weight of oxygen = 32)<br/></p>
Question 20 :
<p class="wysiwyg-text-align-left">The temperature of a gas contained in a closed vessel is increased by 2 K when the pressure is increased by 2%. The initial temperature of the gas is :<br/></p>