Kinetic Theory Test

Result

Kinetic Theory Test - 88

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
1 / -0

Critical temperature of a gas obeying van der waals' equation is :

A
$$\dfrac{8a}{27Rb}$$

B
$$\dfrac{a}{27b^2r}$$

C
$$3b$$

D
$$\dfrac{1}{27Rb}$$

Solution
Question 2
1 / -0

An ideas monotonic gas is taken through cyclic process ABCA as given in figure, what will be the ratio of heat absorbed and released by gas during process?

A
$$ \frac {12}{11} $$

B
$$ \frac {11}{10} $$

C
$$ \frac {10}{9} $$

D
$$ \frac {9}{8} $$
Question 3
1 / -0

$$70$$ calories of heat is required to raise the temperature of $$2$$ moles of an ideal gas at constant pressure from $$ 30^0 C$$ to $$35^0 C $$ ( R = 2 cal/mol-^0C ). The amount of heat required to raise the temperature of the same gas through the same range at constant volume is

A
$$30 Calorie$$

B
$$50 Calorie$$

C
$$70 Calorie$$

D
$$90 Calorie$$

Solution
Question 4
1 / -0

The speed of sound in oxygen $$ (O_2) $$ at a certain temperature is $$ 460 ms^{-1} $$.The speed of sound in helium (He) at the same temperature will be (Assume both gasses to be ideal)

A
$$ 460 \sqrt { \frac { 200 }{ 21 } } ms^{-1} $$

B
$$ 500 \sqrt { \frac { 200 }{ 21 } } ms^{-1} $$

C
$$ 650 \sqrt {2} ms^{-1} $$

D
$$ 330 \sqrt {2} ms^{-1} $$

Solution
Question 5
1 / -0

A diatomic ideal gas is heated at constant volume unitl its pressure is doubled- the molar heat capacity for the whole process is

A
$$ \frac {23R}{5} $$

B
$$ \frac {19R}{5} $$

C
$$ \frac {13R}{5} $$

D
$$ \frac {19R}{6} $$

Solution
Question 6
1 / -0

The molar heat capacity of water at constant pressure $$P$$ is $$75J{K}^{-1}$$ $${mol}^{-1}$$. When $$1.0kJ$$ of heat is supplied to $$100g$$ of water which is free to expand, the increase in temperature of water is:

A
$$1.2K$$

B
$$2.4K$$

C
$$4.8K$$

D
$$6.6K$$

Solution
Question 7
1 / -0

A filled gas characterized by parameter P,V and T and another jar B filled with a gas with parameter 2P, V/4 and 2T. The ration of the number of molecules in jar A to those in jar B in-

A
$$1:1$$

B
$$1:2$$

C
$$2:1$$

D
$$4:1$$

Solution
Question 8
1 / -0

One mole of $$O_2$$ gas is contained in a box of volume $$V = 2m^3$$ at pressure $$P_0$$ and temperature $$300 \,K$$. The gas is now heated to $$600 \,K$$ and the molecules now get dissociated into oxygen atoms. The new pressure of the gas is

A
$$P_0$$

B
$$2P_0$$

C
$$4P_0$$

D
$$8P_0$$

Solution
Question 9
1 / -0

A diatomic gas of molecules weight $$40gm/mole$$ is filled in a container at $$300K$$. It is moving at a velocity $$200m/s$$. If it is suddenly stopped, the rise in temperature of gas is:

A
$$\frac{60}{R}K$$

B
$$\frac{100}{R}K$$

C
$$\frac{320}{R}K$$

D
$$\frac{90}{R}K$$

Solution
Question 10
1 / -0

The average kinetic energy per molecule of an ideal nonliner polyatomic gas at the room temperature $$ T_0 $$ will be (k is boltzman constant, neglect vibrational modes)

A
$$ \frac{3}{2} kT_0 $$

B
$$ \frac{5}{2} kT_0 $$

C
$$ 3 kT_0 $$

D
$$ \frac{1}{2} kT_0 $$

Solution