1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The magnetic flux through a circuit of resistance R changes by an amount $$\Delta $$$$\phi $$ in a time $$\Delta $$t. Then the total quantity of electric charge Q that passes any point in the circuit during the time $$\Delta $$t is represented by
A
$$Q = {1 \over R}.{{\Delta \phi } \over {\Delta t}}$$
B
$$Q = {{\Delta \phi } \over R}$$
C
$$Q = {{\Delta \phi } \over {\Delta t}}$$
D
$$Q = R.{{\Delta \phi } \over {\Delta t}}$$
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The refractive index of the material of a prism is $$\sqrt 2 $$ and its refracting angle is 30o. One of the refracting surfaces of the prism is made a mirror inwards. A beam of monochromatic light entering the prism from the other face with retrace its path after reflection from the mirrored surface if its angle of incidence on the prism is
A
45o
B
60o
C
0
D
30o
3
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The phase difference between two waves. represented by
y1 = 10$$-$$6 sin[100t + (x/50) + 0.5] m
y2 = 10$$-$$6 cos[100t + (x/50)] m,
where x is expressed in metres and t is exressed in secondss, is approximately.
A
1.07 radians
B
2.07 radians
C
0.5 radians
D
1.5 radians
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
A beam of light composed of red and green ray is incident obliquely at a point on the face of rectangular glass slab. When coming out on the opposite parallel face, the red green ray emerge from
A
Two points propagating in two different non parallel directions
B
Two points propagating in two different parallel directions.
C
One point propagating in two different directions.
D
One point propagating in the same firections.