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English Language
UTME / JAMB 1999
Antonyms (Opposite in Meaning)
Solution
Choose the option opposite in meaning to the underlined word(s).
The dancing troupe put up a flawless performance?
A
an interesting
B
an imperfect
C
a satisfactory
D
a careless
medium Difficulty
Verified Correct Answer: Option B
Grammar & Contextual Explanation
The term "flawless" means without any mistakes or imperfections. In the context of the sentence, it describes a performance that was executed perfectly without any errors or flaws.
The opposite of "flawless" is "imperfect," indicating that there were shortcomings or errors in the performance. Therefore, option B, "an imperfect," conveys the opposite meaning, suggesting that the dancing troupe did not deliver a flawless performance but rather one with some imperfections.
Source: Myschool Past Questions Archive (Record #11263)
English Language
UTME / JAMB 1999
Concord (Subject-Verb Agreement)
Select the option that best explain the information conveyed in the sentence.
The manager said that the new loaf was the last word in bakery?
A
The loaf was the best ever baked
B
The loaf was the last to be baked
C
The loaf was the worst to have been baked
D
The loaf was the last in the baker's directory
medium Difficulty
Verified Correct Answer: Option A
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #11264)
English Language
UTME / JAMB 1999
Concord (Subject-Verb Agreement)
Select the option that best explain the information conveyed in the sentence.
The reformists say elections cannot be free and fair unless a number of constitutional changes are effected?
A
Reformation depends on constitutional changes
B
Free and fair elections deend on law reforms
C
free and fair and elections are the primary concerne of the reformists
D
Effecting consitutional changes is dependent on electoral reforms
medium Difficulty
Verified Correct Answer: Option B
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #11265)
English Language
UTME / JAMB 1999
Concord (Subject-Verb Agreement)
Select the option that best explain the information conveyed in the sentence.
Hundreds of used items will go under the hammer during the weekend?
A
Unserviceable goods will be publicly destroyed at the weekend
B
Impounded household items will be sold to the public before the weekend
C
Damage items will be sold next weekend
D
Many old items will be auctioned this weekend
medium Difficulty
Verified Correct Answer: Option D
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #11266)
English Language
UTME / JAMB 1999
Concord (Subject-Verb Agreement)
Select the option that best explain the information conveyed in the sentence.
The horizon may not be clear now, but the troubled spots have certainly been noted?
A
The horizon is dependent on the troubled spots
B
Clarity of the horizon is dependent on the perception of the troubled spots
C
The troubled spots are more perceptible than the horizon
D
Horizon, clarity of the troubled spots and clarity are remarkably noted
medium Difficulty
Verified Correct Answer: Option C
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #11267)
English Language
UTME / JAMB 1999
Concord (Subject-Verb Agreement)
Select the option that best explain the information conveyed in the sentence.
The crowd in the hall is intimidating?
A
The crowd is frightening
B
The crowd is angry
C
The crowd is overwhelming
D
The crowd is riotous
medium Difficulty
Verified Correct Answer: Option A
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #11268)
Physics
UTME / JAMB 1999
Waves, Sound & Vibrations
Solution
The diagram above represents a transverse electromagnetic wave travelling with speed 3.0 x 108ms-1. What is the frequency of the wave.
A
3.0 x 107Hz
B
9.0 x 107Hz
C
1.0 x 109Hz
D
3.0 x 109Hz
medium Difficulty
Verified Correct Answer: Option D
Physical Principles & Numerical Solution
The frequency f = V/λ,
Where λ = wavelength
From the above, the distance OA = one wavelength; AB = one wave length and BC = one wavelength.
=> OC = 3 wavelength = 3λ
∴3λ = 0.3M
λ = 0.3/3
= 0.1m
∴ f = V/λ = (3.0 x 108) / 0.1
= 3.0 x 109Hz
Source: Official Exam / Past Question Archive
Physics
UTME / JAMB 1999
Linear Motion, Projectiles & Kinematics
Diagram
Solution
The diagram above shows the velocity-time graph of a vehicle. Its acceleration and retardation respectively are
Attached Figure / Diagram
A
8.0 ms-2, 4,0 ms-2
B
4.0 ms-2, 8.0 ms-2
C
4.0 ms-2, 2.0 ms-2
D
2.0 ms-2, 4.0 ms-2
medium Difficulty
Verified Correct Answer: Option C
Physical Principles & Numerical Solution
Acceleration = slope = AE/OE = 80/20 = 4m/s2
∴ acceleration and retardation = 4m/s2; 2m/s2
Source: Myschool Past Questions Archive (Record #11133)
Physics
UTME / JAMB 1999
Magnetism, Electromagnetism & AC Circuits
Diagram
Solution
In the series a.c circuit shown above, the p.d across the inductor is 8Vr.m.s and that across the resistor is 6Vr.m.s. The effective voltage is
Attached Figure / Diagram
A
2V
B
10V
C
14V
D
48V
medium Difficulty
Verified Correct Answer: Option B
Physical Principles & Numerical Solution
The effective V =
√ VR2 + VL2
=
√ 62 + 82
=
√ 36 + 64
=
√ 100
10V
Source: Myschool Past Questions Archive (Record #11274)
Physics
UTME / JAMB 1999
Reflection, Refraction & Dispersion of Light
Diagram
The diagram above shows the prism arrangement in a
Attached Figure / Diagram
A
binocular
B
spectrometer
C
periscope
D
projector
medium Difficulty
Verified Correct Answer: Option C
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #11269)
Physics
UTME / JAMB 1999
Magnetism, Electromagnetism & AC Circuits
Diagram
Solution
The diagram above shows a magnet X with its south pole moved along a soft - iron bar PQ in the direction shown. After some time, the poles at P and Q respectively are
Attached Figure / Diagram
A
North - North
B
North - South
C
South - North
D
South - South
medium Difficulty
Verified Correct Answer: Option B
Physical Principles & Numerical Solution
When a magnet is moved near a ferromagnetic material like soft iron, it induces magnetism in the material. The end closer to the magnet becomes the opposite pole.
In this scenario, the south pole of the magnet X approaches point P. Point P becomes a north pole to repel the south pole, while the opposite end (Q) becomes a south pole.
Source: Myschool Past Questions Archive (Record #11270)
Physics
UTME / JAMB 1999
Current Electricity & Electric Circuits
Diagram
Solution
In the circuit above, the ammeter reads a current of 5.0 A when R = 8Ω and reads 7.0A when R = 5Ω. The value of the unknown resistance X is
Attached Figure / Diagram
A
10.0Ω
B
7.5Ω
C
5.0Ω
D
2.5Ω
medium Difficulty
Verified Correct Answer: Option D
Physical Principles & Numerical Solution
From Ohms Law, E = I(R +X)
=> E = I1(R1 + X)
again, E = I2(R2 + X)
=> I1(R1 + X) = I2(R2 + X)
∴ 5(8 + X) = 7(5 + X)
40 + 5X = 35 + 7X
7X - 5X = 40 - 35
2X = 5
X = 5/2
= 2.5Ω
Source: Myschool Past Questions Archive (Record #11271)
Physics
UTME / JAMB 1999
Electrostatics & Capacitors
Diagram
Solution
In the circuit above, The potential across each capacitor is 100V. The total energy stored in the two capacitors is
Attached Figure / Diagram
A
3.0 x 104J
B
3.0 x 102J
C
2.5 x 10-2J
D
6.0 x 10-3J
medium Difficulty
Verified Correct Answer: Option C
Physical Principles & Numerical Solution
Energy stored in a capacitor is given by
E = \(\frac{1}{2}\)CV\(^2\)
But the effective capacitance for the parallel arrangement is given by
C = C\(_1\) + C\(_2\)
= 2 + 3
= 5\muF = 5 x 10\(^{-6}\) x (100)\(^2\)
∴E = \(\frac{1}{2}\)CV\(^2\)
= \(\frac{1}{2}\) x 5 x 10\(^{-6}\) x 10\(^4\)
2.9 x 10\(^{-2}\)J
Source: Myschool Past Questions Archive (Record #11272)
Physics
UTME / JAMB 1999
Current Electricity & Electric Circuits
Diagram
Solution
In the diagram above, if the internal resistance of the cell is zero, the ration of the powers P1 and P2 dissipated by R1 and R2
Attached Figure / Diagram
A
R2/R1
B
R1/R2
C
R1+R2/R1
D
R1+R2/R2
medium Difficulty
Verified Correct Answer: Option A
Physical Principles & Numerical Solution
Power = IV = I2R = V2/R
In terms of e.m.f E, of a cell we have
IE = I2R = E2/R
∴P1 = E2/R; P2 = E2/R2/E2/R2
= E2/R1 x R2/E2 = R2/R1
∴P1/P2 = R2/R1
Source: Myschool Past Questions Archive (Record #11273)
Physics
UTME / JAMB 1999
Equilibrium of Forces, Moments & Flotation
Diagram
Solution
The diagram above shows a solid figure with base PQ and center of gravity G on a inclined plane. Which of the following statements is correct
Attached Figure / Diagram
A
The solid will fall over if the vertical line through G lies outside the base
B
The solid will fall over if the vertical line through lies inside the base
C
The solid will not fall over if the vertical line through G lies outside the base
D
The solid can never fall over
medium Difficulty
Verified Correct Answer: Option A
Physical Principles & Numerical Solution
The solid will fall over if when the vertical line through G lies outside the base, when slightly tilted
Source: Myschool Past Questions Archive (Record #11143)