1
JEE Advanced 2013 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-1
A solid sphere of radius R and density $$\rho $$ is attached to one end of a mass-less spring of force constant k. The other end of the spring is connected to another solid sphere of radius R and density 3$$\rho $$. The complete arrangement is placed in a liquid of density 2$$\rho $$ and is allowed to reach equilibrium. The correct statement(s) is (are)
A
The net elongation of the spring is $${{4\pi {R^3}\rho g} \over {3k}}$$
B
The net elongation of the spring is $${{8\pi {R^3}\rho g} \over {3k}}$$
C
The light sphere is partially submerged
D
The light sphere is completely submerged
2
JEE Advanced 2013 Paper 1 Offline
MCQ (Single Correct Answer)
+2
-0.5
Two non-reactive monoatomic ideal gases have their atomic masses in the ratio 2 : 3. The ratio of their partial pressures, when enclosed in a vessel kept at a constant temperature, is 4 : 3. The ratio of their densities is
A
1 : 4
B
1 : 2
C
6 : 9
D
8 : 9
3
JEE Advanced 2013 Paper 1 Offline
MCQ (Single Correct Answer)
+4
-1
Two non-conducting solid spheres of radii $$R$$ and $$2R,$$ having uniform volume charge densities $${\rho _1}$$ and $${\rho _2}$$ respectively, touch each other. The net electric field at a distance $$2$$ $$R$$ from the center of the smaller sphere, along the line joining the centers of the spheres, is zero. The ratio $${{{\rho _1}} \over {{\rho _2}}}$$ can be
A
$$-4$$
B
$$ - {{32} \over {25}}$$
C
$$ {{32} \over {25}}$$
D
$$4$$
4
JEE Advanced 2013 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-1
In the circuit shown in the figure, there are two parallel plate capacitors each of capacitance $$C.$$ The switch $${S_1}$$ is pressed first to fully charge the capacitor $${C_1}$$ and then released. The switch $${S_2}$$ is then pressed to charge the capacitor $${C_2}.$$ After some time, $${S_2}$$ is released and then $${S_3}$$ is pressed. After some time
JEE Advanced 2013 Paper 1 Offline Physics - Capacitor Question 10 English
A
The charge on the upper plate of $${C_1}$$ is $$2C{V_0}$$
B
The charge on the upper plate of $${C_1}$$ is $$C{V_0}$$
C
The charge on the upper plate of $${C_2}$$ is $$0$$
D
The charge on the upper plate of $${C_2}$$ is $$ - C{V_0}$$
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