7 RBTS PAPER(PHYSICS)
7 RBTS PAPER

164191 If 2 moles of an ideal monatomic gas at temperature \(T_0\) is mixed with 4 moles of another ideal monatomic gas at temperature \(2 \mathrm{~T}_0\), then the temperature of the mixture is:

1 \(\frac{5}{3} \mathrm{~T}_0\)
2 \(\frac{3}{2} \mathrm{~T}_0\)
3 \(\frac{4}{3} \mathrm{~T}_0\)
4 \(\frac{5}{4} \mathrm{~T}_0\)
7 RBTS PAPER

164192 If pressure of a gas contained in a closed vessel is increased by \(0.4 \%\) when heated by \(1^{\circ} \mathrm{C}\), the initial temperature must be :

1 \(250 \mathrm{~K}\)
2 \(250^{\circ} \mathrm{C}\)
3 \(2500 \mathrm{~K}\)
4 \(25^{\circ} \mathrm{C}\).
7 RBTS PAPER

164193 A balloon contains \(1500 \mathrm{~m}^3\) of helium at \(27^{\circ} \mathrm{C}\) and 4 atmospheric pressure. The volume of helium at \(-3^{\circ} \mathrm{C}\) temperature and 2 atmosphere pressure will be :

1 \(1500 \mathrm{~m}^3\)
2 \(1700 \mathrm{~m}^3\)
3 \(1900 \mathrm{~m}^3\)
4 \(2700 \mathrm{~m}^3\).
7 RBTS PAPER

164194 An air bubble of volume \(1.0 \mathrm{~cm}^3\) rises from the bottom of a lake \(40 \mathrm{~m}\) deep at a temperature of \(12^{\circ} \mathrm{C}\). To what volume does it grow when it reaches the surface, which is of a temperature of \(35^{\circ} \mathrm{C}\) (atm. pressure \(\left.=10^5 \mathrm{~N} / \mathrm{m}\right)\) :

1 \(10.6 \times 10^{-6} \mathrm{~m}^3\)
2 \(5.4 \times 10^{-6} \mathrm{~m}^3\)
3 \(2.8 \times 10^{-6} \mathrm{~m}^3\)
4 \(15.6 \times 10^{-6} \mathrm{~m}^3\).
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
7 RBTS PAPER

164191 If 2 moles of an ideal monatomic gas at temperature \(T_0\) is mixed with 4 moles of another ideal monatomic gas at temperature \(2 \mathrm{~T}_0\), then the temperature of the mixture is:

1 \(\frac{5}{3} \mathrm{~T}_0\)
2 \(\frac{3}{2} \mathrm{~T}_0\)
3 \(\frac{4}{3} \mathrm{~T}_0\)
4 \(\frac{5}{4} \mathrm{~T}_0\)
7 RBTS PAPER

164192 If pressure of a gas contained in a closed vessel is increased by \(0.4 \%\) when heated by \(1^{\circ} \mathrm{C}\), the initial temperature must be :

1 \(250 \mathrm{~K}\)
2 \(250^{\circ} \mathrm{C}\)
3 \(2500 \mathrm{~K}\)
4 \(25^{\circ} \mathrm{C}\).
7 RBTS PAPER

164193 A balloon contains \(1500 \mathrm{~m}^3\) of helium at \(27^{\circ} \mathrm{C}\) and 4 atmospheric pressure. The volume of helium at \(-3^{\circ} \mathrm{C}\) temperature and 2 atmosphere pressure will be :

1 \(1500 \mathrm{~m}^3\)
2 \(1700 \mathrm{~m}^3\)
3 \(1900 \mathrm{~m}^3\)
4 \(2700 \mathrm{~m}^3\).
7 RBTS PAPER

164194 An air bubble of volume \(1.0 \mathrm{~cm}^3\) rises from the bottom of a lake \(40 \mathrm{~m}\) deep at a temperature of \(12^{\circ} \mathrm{C}\). To what volume does it grow when it reaches the surface, which is of a temperature of \(35^{\circ} \mathrm{C}\) (atm. pressure \(\left.=10^5 \mathrm{~N} / \mathrm{m}\right)\) :

1 \(10.6 \times 10^{-6} \mathrm{~m}^3\)
2 \(5.4 \times 10^{-6} \mathrm{~m}^3\)
3 \(2.8 \times 10^{-6} \mathrm{~m}^3\)
4 \(15.6 \times 10^{-6} \mathrm{~m}^3\).
7 RBTS PAPER

164191 If 2 moles of an ideal monatomic gas at temperature \(T_0\) is mixed with 4 moles of another ideal monatomic gas at temperature \(2 \mathrm{~T}_0\), then the temperature of the mixture is:

1 \(\frac{5}{3} \mathrm{~T}_0\)
2 \(\frac{3}{2} \mathrm{~T}_0\)
3 \(\frac{4}{3} \mathrm{~T}_0\)
4 \(\frac{5}{4} \mathrm{~T}_0\)
7 RBTS PAPER

164192 If pressure of a gas contained in a closed vessel is increased by \(0.4 \%\) when heated by \(1^{\circ} \mathrm{C}\), the initial temperature must be :

1 \(250 \mathrm{~K}\)
2 \(250^{\circ} \mathrm{C}\)
3 \(2500 \mathrm{~K}\)
4 \(25^{\circ} \mathrm{C}\).
7 RBTS PAPER

164193 A balloon contains \(1500 \mathrm{~m}^3\) of helium at \(27^{\circ} \mathrm{C}\) and 4 atmospheric pressure. The volume of helium at \(-3^{\circ} \mathrm{C}\) temperature and 2 atmosphere pressure will be :

1 \(1500 \mathrm{~m}^3\)
2 \(1700 \mathrm{~m}^3\)
3 \(1900 \mathrm{~m}^3\)
4 \(2700 \mathrm{~m}^3\).
7 RBTS PAPER

164194 An air bubble of volume \(1.0 \mathrm{~cm}^3\) rises from the bottom of a lake \(40 \mathrm{~m}\) deep at a temperature of \(12^{\circ} \mathrm{C}\). To what volume does it grow when it reaches the surface, which is of a temperature of \(35^{\circ} \mathrm{C}\) (atm. pressure \(\left.=10^5 \mathrm{~N} / \mathrm{m}\right)\) :

1 \(10.6 \times 10^{-6} \mathrm{~m}^3\)
2 \(5.4 \times 10^{-6} \mathrm{~m}^3\)
3 \(2.8 \times 10^{-6} \mathrm{~m}^3\)
4 \(15.6 \times 10^{-6} \mathrm{~m}^3\).
7 RBTS PAPER

164191 If 2 moles of an ideal monatomic gas at temperature \(T_0\) is mixed with 4 moles of another ideal monatomic gas at temperature \(2 \mathrm{~T}_0\), then the temperature of the mixture is:

1 \(\frac{5}{3} \mathrm{~T}_0\)
2 \(\frac{3}{2} \mathrm{~T}_0\)
3 \(\frac{4}{3} \mathrm{~T}_0\)
4 \(\frac{5}{4} \mathrm{~T}_0\)
7 RBTS PAPER

164192 If pressure of a gas contained in a closed vessel is increased by \(0.4 \%\) when heated by \(1^{\circ} \mathrm{C}\), the initial temperature must be :

1 \(250 \mathrm{~K}\)
2 \(250^{\circ} \mathrm{C}\)
3 \(2500 \mathrm{~K}\)
4 \(25^{\circ} \mathrm{C}\).
7 RBTS PAPER

164193 A balloon contains \(1500 \mathrm{~m}^3\) of helium at \(27^{\circ} \mathrm{C}\) and 4 atmospheric pressure. The volume of helium at \(-3^{\circ} \mathrm{C}\) temperature and 2 atmosphere pressure will be :

1 \(1500 \mathrm{~m}^3\)
2 \(1700 \mathrm{~m}^3\)
3 \(1900 \mathrm{~m}^3\)
4 \(2700 \mathrm{~m}^3\).
7 RBTS PAPER

164194 An air bubble of volume \(1.0 \mathrm{~cm}^3\) rises from the bottom of a lake \(40 \mathrm{~m}\) deep at a temperature of \(12^{\circ} \mathrm{C}\). To what volume does it grow when it reaches the surface, which is of a temperature of \(35^{\circ} \mathrm{C}\) (atm. pressure \(\left.=10^5 \mathrm{~N} / \mathrm{m}\right)\) :

1 \(10.6 \times 10^{-6} \mathrm{~m}^3\)
2 \(5.4 \times 10^{-6} \mathrm{~m}^3\)
3 \(2.8 \times 10^{-6} \mathrm{~m}^3\)
4 \(15.6 \times 10^{-6} \mathrm{~m}^3\).