1
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 $$ - C{V_0}$$
2
JEE Advanced 2013 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

A ray of light travelling in the direction $${1 \over 2}\left( {\widehat i + \sqrt 3 \widehat j} \right)$$ is incident on a plane mirror. After reflection, it travels along the direction $${1 \over 2}\left( {\widehat i - \sqrt 3 \widehat j} \right)$$. The angle of incidence is

A
30$$^\circ$$
B
45$$^\circ$$
C
60$$^\circ$$
D
75$$^\circ$$
3
JEE Advanced 2013 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

Two rectangular blocks, having identical dimensions, can be arranged in either configuration-I or configuration-II as shown in the figure. One of the blocks has thermal conductivity $$\kappa $$ and the other 2$$\kappa $$. The temperature difference between the ends along the x-axis is the same in both the configurations. It takes 9 s to transport a certain amount of heat from the hot end to the cold end in configuration-I. The time to transport the same amount of heat in configuration-II is

JEE Advanced 2013 Paper 1 Offline Physics - Heat and Thermodynamics Question 20 English

A
2.0 s
B
3.0 s
C
4.5 s
D
6.0 s
4
JEE Advanced 2013 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

A pulse of light of duration 100 ns is absorbed completely by a small object initially at rest. Power of the pulse is 30 mW and the speed of light is 3 $$\times$$ 108 ms$$-$$1. The final momentum of the object is

A
0.3 $$\times$$ 10$$-$$17 kg-ms$$-$$1
B
1.0 $$\times$$ 10$$-$$17 kg-ms$$-$$1
C
3.0 $$\times$$ 10$$-$$17 kg-ms$$-$$1
D
9.0 $$\times$$ 10$$-$$17 kg-ms$$-$$1
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