7 RBTS PAPER(PHYSICS)
7 RBTS PAPER

164195 Which of the following graphs represent the behaviour of an ideal gas :

1
2
3
4
7 RBTS PAPER

164196 A gas mixture consists of \(\mathbf{2}\) moles of oxygen and 4 moles of Argon at temperature T. Neglecting all vibrational modes, the total internal energy of the system is:

1 \(4 \mathrm{RT}\)
2 \(9 \mathrm{RT}\)
3 \(11 \mathrm{RT}\)
4 \(15 \mathrm{RT}\).
7 RBTS PAPER

164197 A gaseous mixture enclosed in vessel contains \(\mathbf{1 g}\) mole of a gas A (with \(\gamma=5 / 3\) ) and another gas B (with \(\gamma=7 / 5\) ) at a temperature T. The gases A and \(B\) do not react with each other and assumed to be ideal. The number of gram moles of \(\mathrm{B}\), if \(\gamma\) for the gaseous mixture is \(19 / 13\) is :

1 4
2 2
3 16
4 8 .
7 RBTS PAPER

164198 Internal energy of \(n_1\) moles of hydrogen gas at temperature \(T\) is equal to internal energy of \(n_2\) moles of helium gas at temperature \(3 T\). Then the ratio \(n_1 / n_2\) is :

1 \(3 / 5\)
2 \(2 / 3\)
3 \(9 / 5\)
4 \(3 / 7\).
7 RBTS PAPER

164199 The root mean square velocity, \(\mathrm{v}_{\mathrm{rms}}\), the average velocity \(v_{a v}\), and the most probable velocity, \(v_{m p}\) of the molecules of the gas are in the ratio of (approx):

1 \(\sqrt{3}: \sqrt{2.5}: \sqrt{2}\)
2 \(\sqrt{2.5}: \sqrt{3}: \sqrt{2}\)
3 \(\sqrt{2}: \sqrt{3}: \sqrt{2.5}\)
4 \(\sqrt{2}: \sqrt{2.5}: \sqrt{3}\)
SECTION - B
7 RBTS PAPER

164195 Which of the following graphs represent the behaviour of an ideal gas :

1
2
3
4
7 RBTS PAPER

164196 A gas mixture consists of \(\mathbf{2}\) moles of oxygen and 4 moles of Argon at temperature T. Neglecting all vibrational modes, the total internal energy of the system is:

1 \(4 \mathrm{RT}\)
2 \(9 \mathrm{RT}\)
3 \(11 \mathrm{RT}\)
4 \(15 \mathrm{RT}\).
7 RBTS PAPER

164197 A gaseous mixture enclosed in vessel contains \(\mathbf{1 g}\) mole of a gas A (with \(\gamma=5 / 3\) ) and another gas B (with \(\gamma=7 / 5\) ) at a temperature T. The gases A and \(B\) do not react with each other and assumed to be ideal. The number of gram moles of \(\mathrm{B}\), if \(\gamma\) for the gaseous mixture is \(19 / 13\) is :

1 4
2 2
3 16
4 8 .
7 RBTS PAPER

164198 Internal energy of \(n_1\) moles of hydrogen gas at temperature \(T\) is equal to internal energy of \(n_2\) moles of helium gas at temperature \(3 T\). Then the ratio \(n_1 / n_2\) is :

1 \(3 / 5\)
2 \(2 / 3\)
3 \(9 / 5\)
4 \(3 / 7\).
7 RBTS PAPER

164199 The root mean square velocity, \(\mathrm{v}_{\mathrm{rms}}\), the average velocity \(v_{a v}\), and the most probable velocity, \(v_{m p}\) of the molecules of the gas are in the ratio of (approx):

1 \(\sqrt{3}: \sqrt{2.5}: \sqrt{2}\)
2 \(\sqrt{2.5}: \sqrt{3}: \sqrt{2}\)
3 \(\sqrt{2}: \sqrt{3}: \sqrt{2.5}\)
4 \(\sqrt{2}: \sqrt{2.5}: \sqrt{3}\)
SECTION - B
7 RBTS PAPER

164195 Which of the following graphs represent the behaviour of an ideal gas :

1
2
3
4
7 RBTS PAPER

164196 A gas mixture consists of \(\mathbf{2}\) moles of oxygen and 4 moles of Argon at temperature T. Neglecting all vibrational modes, the total internal energy of the system is:

1 \(4 \mathrm{RT}\)
2 \(9 \mathrm{RT}\)
3 \(11 \mathrm{RT}\)
4 \(15 \mathrm{RT}\).
7 RBTS PAPER

164197 A gaseous mixture enclosed in vessel contains \(\mathbf{1 g}\) mole of a gas A (with \(\gamma=5 / 3\) ) and another gas B (with \(\gamma=7 / 5\) ) at a temperature T. The gases A and \(B\) do not react with each other and assumed to be ideal. The number of gram moles of \(\mathrm{B}\), if \(\gamma\) for the gaseous mixture is \(19 / 13\) is :

1 4
2 2
3 16
4 8 .
7 RBTS PAPER

164198 Internal energy of \(n_1\) moles of hydrogen gas at temperature \(T\) is equal to internal energy of \(n_2\) moles of helium gas at temperature \(3 T\). Then the ratio \(n_1 / n_2\) is :

1 \(3 / 5\)
2 \(2 / 3\)
3 \(9 / 5\)
4 \(3 / 7\).
7 RBTS PAPER

164199 The root mean square velocity, \(\mathrm{v}_{\mathrm{rms}}\), the average velocity \(v_{a v}\), and the most probable velocity, \(v_{m p}\) of the molecules of the gas are in the ratio of (approx):

1 \(\sqrt{3}: \sqrt{2.5}: \sqrt{2}\)
2 \(\sqrt{2.5}: \sqrt{3}: \sqrt{2}\)
3 \(\sqrt{2}: \sqrt{3}: \sqrt{2.5}\)
4 \(\sqrt{2}: \sqrt{2.5}: \sqrt{3}\)
SECTION - B
7 RBTS PAPER

164195 Which of the following graphs represent the behaviour of an ideal gas :

1
2
3
4
7 RBTS PAPER

164196 A gas mixture consists of \(\mathbf{2}\) moles of oxygen and 4 moles of Argon at temperature T. Neglecting all vibrational modes, the total internal energy of the system is:

1 \(4 \mathrm{RT}\)
2 \(9 \mathrm{RT}\)
3 \(11 \mathrm{RT}\)
4 \(15 \mathrm{RT}\).
7 RBTS PAPER

164197 A gaseous mixture enclosed in vessel contains \(\mathbf{1 g}\) mole of a gas A (with \(\gamma=5 / 3\) ) and another gas B (with \(\gamma=7 / 5\) ) at a temperature T. The gases A and \(B\) do not react with each other and assumed to be ideal. The number of gram moles of \(\mathrm{B}\), if \(\gamma\) for the gaseous mixture is \(19 / 13\) is :

1 4
2 2
3 16
4 8 .
7 RBTS PAPER

164198 Internal energy of \(n_1\) moles of hydrogen gas at temperature \(T\) is equal to internal energy of \(n_2\) moles of helium gas at temperature \(3 T\). Then the ratio \(n_1 / n_2\) is :

1 \(3 / 5\)
2 \(2 / 3\)
3 \(9 / 5\)
4 \(3 / 7\).
7 RBTS PAPER

164199 The root mean square velocity, \(\mathrm{v}_{\mathrm{rms}}\), the average velocity \(v_{a v}\), and the most probable velocity, \(v_{m p}\) of the molecules of the gas are in the ratio of (approx):

1 \(\sqrt{3}: \sqrt{2.5}: \sqrt{2}\)
2 \(\sqrt{2.5}: \sqrt{3}: \sqrt{2}\)
3 \(\sqrt{2}: \sqrt{3}: \sqrt{2.5}\)
4 \(\sqrt{2}: \sqrt{2.5}: \sqrt{3}\)
SECTION - B
7 RBTS PAPER

164195 Which of the following graphs represent the behaviour of an ideal gas :

1
2
3
4
7 RBTS PAPER

164196 A gas mixture consists of \(\mathbf{2}\) moles of oxygen and 4 moles of Argon at temperature T. Neglecting all vibrational modes, the total internal energy of the system is:

1 \(4 \mathrm{RT}\)
2 \(9 \mathrm{RT}\)
3 \(11 \mathrm{RT}\)
4 \(15 \mathrm{RT}\).
7 RBTS PAPER

164197 A gaseous mixture enclosed in vessel contains \(\mathbf{1 g}\) mole of a gas A (with \(\gamma=5 / 3\) ) and another gas B (with \(\gamma=7 / 5\) ) at a temperature T. The gases A and \(B\) do not react with each other and assumed to be ideal. The number of gram moles of \(\mathrm{B}\), if \(\gamma\) for the gaseous mixture is \(19 / 13\) is :

1 4
2 2
3 16
4 8 .
7 RBTS PAPER

164198 Internal energy of \(n_1\) moles of hydrogen gas at temperature \(T\) is equal to internal energy of \(n_2\) moles of helium gas at temperature \(3 T\). Then the ratio \(n_1 / n_2\) is :

1 \(3 / 5\)
2 \(2 / 3\)
3 \(9 / 5\)
4 \(3 / 7\).
7 RBTS PAPER

164199 The root mean square velocity, \(\mathrm{v}_{\mathrm{rms}}\), the average velocity \(v_{a v}\), and the most probable velocity, \(v_{m p}\) of the molecules of the gas are in the ratio of (approx):

1 \(\sqrt{3}: \sqrt{2.5}: \sqrt{2}\)
2 \(\sqrt{2.5}: \sqrt{3}: \sqrt{2}\)
3 \(\sqrt{2}: \sqrt{3}: \sqrt{2.5}\)
4 \(\sqrt{2}: \sqrt{2.5}: \sqrt{3}\)
SECTION - B