1
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
A condenser of capacity C is charged to a potential difference of V1. The plates of th condenser are then connected to an ideal inductor of inductance L. The current through the inductor when the potential difference across the condenser reduces to V2 is
A
$${\left( {{{C{{\left( {{V_1} - {V_2}} \right)}^2}} \over L}} \right)^{{1 \over 2}}}$$
B
$${{C\left( {V_1^2 - V_2^2} \right)} \over L}$$
C
$${{C\left( {V_1^2 + V_2^2} \right)} \over L}$$
D
$${\left( {{{C\left( {V_1^2 - V_2^2} \right)} \over L}} \right)^{{1 \over 2}}}$$
2
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
The electric field of an electromagnetic wave in free space is given by $$\overrightarrow E = 10\cos ({10^7}t + kx)\widehat j\,\,V/m,$$ where t and x are in seconds and metres respectively. It can be inferred that
(1)  the wavelength $$\lambda $$ is 188.4 m.
(2)  the wave number k is 0.33 rad/m.
(3)  the wave amplitude is 10 V/m.
(4)  the wave is propagating along +x direction.

Which one of the following pairs of statements is correct ?
A
(3)  and  (4)
B
(1)  and  (2)
C
(2)  and  (3)
D
(1)  and  (3)
3
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
The speed of light in media M1 and M2 are 1.5 $$ \times $$ 108 m/s and 2.0 $$ \times $$ 108 m/s respectively. A ray of light enters from medium M1 to M2 at an incidence angle i. If the rays suffers total internal reflection, the value of i is
A
Equal to sin$$-$$1 $$\left( {{2 \over 3}} \right)$$
B
Equal to or less than sin$$-$$1$$\left( {{3 \over 5}} \right)$$
C
Equal to or greater than sin$$-$$1 $$\left( {{3 \over 4}} \right)$$
D
Less than sin$$-$$1$$\left( {{2 \over 3}} \right)$$
4
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
A rays of light is incident on a 60o prism at the minimum deviation position. The angle of refraction at the first face (i.e., incident face) of the prism is
A
zero
B
30o
C
45o
D
60o
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12