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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
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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
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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
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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
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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
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46
The correct position for a fuse in the diagram above is
A
between P and Q
B
Q
C
S
D
P
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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
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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
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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 to the vertical, find the force on each student's arm
A
81N
B
121N
C
162N
D
324N
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