Physics Past Questions

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4,719 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10
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Past Questions

4,719 questions
Question 1 of 20 4,719 total questions
Question 1521
waec 2000

The resultant of two forces acting on an object is maximum when the angle between them is?

A180o
B90o
C45o
D0o
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Question 1522
waec 2000

A uniform metre rule of mass 90g is provided at the 40cm mark. If the rule is in equilibrium with an unknown mass m placed at the 10cm mark and a 72g mass at the 70cm mark, determine m

A72g
B102g
C298g
D504g
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Question 1523
waec 2000

A bus travelling at 15ms\(^{-1}\) accelerates uniformly at 4ms\(^{-2}\), what is the distance covered in 10s?

A150m
B170m
C350m
D600m
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Question 1524
waec 2000

The driver of a car moving with uniform speed of 40ms-1 observes a truck approaching from the opposite direction with a speed of 20ms-1. Calculate the speed of the car relative to that of the truck

A.5ms-1
B2.0ms-1
C20.0ms-1
D60.0ms-1
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Question 1525
waec 2000

A ball bearing is gently released from rest and allowed to fall through a viscous fluid. Which of the following statements about the motion is correct?

Aits acceleration decreases before terminal velocity is attained
Bwhen terminal velocity is attained the acceleration of the fluid becomes zero
Cits velocity increases before terminal velocity is attained
Dthere is no resultant force on the ball before it attains terminal velocity
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Question 1526
waec 2000

A wooden block of mass 1.6kg rests on a rough horizontal surface if the limiting friction force between the block and the surface is 8N. Calculate the coefficient of friction. (g = 10ms-2)

A0.6
B0.5
C0.3
D0.2
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Question 1527
waec 2000

The apparent weight of a body wholly immersed in water is 32N and its weight in air is 96N. Calculate the volume of the body. (Density of water = 1000kgm-3, g = 10ms\(^{-2}\))

A8.9 x 10-3m3
B6.4 x 10-3m3
C3.2 x 10-3m3
D3.0 x 10-3m3
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Question 1528
waec 2000

A uniform cylindrical hydrometer of mass 20g and cross sectional area 0.54cm2 floats upright in a liquid. If 25cm of its length is submerged, calculate the relative density of the liquid. (Density of water = 1 gcm-3)

A1.54
B1.48
C1.25
D0.80
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Question 1529
waec 2000

An iron rod is moved from the earth to the moon. Which of the following properties of the rod would remain unchanged? i. mass ii. weight iii. relative density

Ai only
Bii only
Ciii only
Di and iii only
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Question 1530
waec 2000

The diagram above illustrates three forces T\(_1\), T\(_2\) and 100N in equilibrium. Determine the magnitude of T\(_1\).

A100 tan 30o
B\(\frac{100}{\cos 30^o}\)
C200 sin 301
D\(\frac{200}{tan 30^o}\)
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Question 1531
jamb 2000

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

A81N
B121N
C162N
D324N
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Question 1532
jamb 2000

In the a.c circuit above, the current value is

A0.58 A
B3.00 A
C4.00 A
D6.67 A
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Question 1533
jamb 2000

If current flows in the direction of the arrows in the solenoid above, the north pole is at

AP
BY
CX
DQ
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Question 1534
jamb 2000

The correct position for a fuse in the diagram above is

Abetween P and Q
BQ
CS
DP
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Question 1535
jamb 2000

In the diagram above, the values of V1 and V2 are respectively

A1V and 1/3V
B1/3V and 1V
C1/3V and 2/3V
D1V and 2/3V
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Question 1536
jamb 2000

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?

Ared, green and blue
BGreen, red and blue
CYellow , blue and red
DBlue , yellow and red
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Question 1537
jamb 2000

The diagram above shows two capacitors P and Q of capacitance 5μF and 10μF. Find the charges stored in P and Q respectively

A2μC and 4μC
B4μC and 2μC
C100μC and 200μC
D200μC and 100μC
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Question 1538
jamb 2000

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

AAlcohol, mercury and alcohol
BAir, alcohol and mercury
CMercury, alcohol and mercury
DAir, mercury and alcohol
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Question 1539
jamb 2000
An engineer intends to deviate a light ray from its path by 120o through reflection from a plane mirror. Calculate the angle of incidence
A60o
B40o
C30o
D20o
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Question 1540
jamb 2000

A transverse wave is applied to a string whose mass per unit length is 3 x 10-2kgm-1. If the string is under a tension 12N, the speed of the propagation of the wave is

A5 ms-1
B20 ms-1
C30 ms-1
D40 ms-1
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