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2014 - JAMB Physics Past Questions and Answers - page 1

1
What is the least possible error encountered when taking measurement with a meter rule?
A
0.1mm
B
1.0mm
C
0.5mm
D
0.2mm
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2
A quantity which requires magnitude and direction to be specified is
A
Temperature
B
Distance
C
Displacement
D
Mass
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3
I Electrical potential, II Torque, III Kinetic Energy, IV Momentum. Which of the quantities listed are vectors?
A
II and IV
B
I and II
C
I and III
D
II and III
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4
Which type of motion do the wheels of a moving car undergo?
A
Vibratory and translational motion
B
Random and translational motion
C
Rotational mand oscillatory motion
D
Translational and rotational motion
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5
A car accelerates uniformly from rest at 3ms-2. its velocity after traveling a distance of 24m is
A
12ms-1
B
144ms-1
C
72ms-1
D
36ms-1
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6
Calculate the escape velocity of a satellite launched from the earth's surface if the radius of the earth is 6.4x106m
A
25.3kms-1
B
4.2kms-1
C
4.0kms-1
D
11.3kms-1
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7
An object of weight 80kg on earth is taken to a planet where acceleration due to gravity is one-third of its value on earth. The weight of the object on the planet is
A
48N
B
12N
C
27N
D
36N
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8
One of the conditions necessary for an object to be in equilibrium when acted upon by a number of parallel forces is that the vector sum of the forces is
A
Average
B
Zero
C
Negative
D
Positive
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9
What happens when three coplanar non-parallel forces are in equilibrium?
A
Their lines of action are parallel.
B
They are represented in magnitude only
C
They are represented in direction only
D
Their lines of action meet at a point
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10
An object of mass 20kg is released from a height of 10m above the ground level. The kinetic energy of the object just before it hits the ground is
A
200J
B
4000J
C
2000J
D
500J
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