2000 - JAMB Physics Past Questions and Answers - page 5

41
An engineer intends to deviate a light ray from its path by 120o through reflection from a plane mirror. Calculate the angle of incidence
A
60o
B
40o
C
30o
D
20o
42
The diagram above shows a maximum and minimum thermometer divided into three portions P, Q and R. Which of the following is true about the respective content of P,Q and R
A
Alcohol, mercury and alcohol
B
Air, alcohol and mercury
C
Mercury, alcohol and mercury
D
Air, mercury and alcohol
43
The diagram above shows two capacitors P and Q of capacitance 5μF and 10μF. Find the charges stored in P and Q respectively
A
2μC and 4μC
B
4μC and 2μC
C
100μC and 200μC
D
200μC and 100μC
44
In the diagram above a beam of white light travels from a rare to a dense medium. What colours of light do the rays a, b and c respectively represents?
A
red, green and blue
B
Green, red and blue
C
Yellow , blue and red
D
Blue , yellow and red
45
In the diagram above, the values of V1 and V2 are respectively
A
1V and 1/3V
B
1/3V and 1V
C
1/3V and 2/3V
D
1V and 2/3V
46
The correct position for a fuse in the diagram above is
A
between P and Q
B
Q
C
S
D
P
47
If current flows in the direction of the arrows in the solenoid above, the north pole is at
A
P
B
Y
C
X
D
Q
48
In the a.c circuit above, the current value is
A
0.58 A
B
3.00 A
C
4.00 A
D
6.67 A
49
A handbag containing some load weighing 162N is carried by two students each holding the handle of the bag next to him. If each handle is pulled \( 60^{\circ} \) to the vertical, find the force on each student's arm
A
81N
B
121N
C
162N
D
324N
Please share this, thanks: