25)Warrant Chiefs were appointed to __
A. Prevent tribal wars
B. supervise native courts
C. decide divorce cases
D. take charge of local administration
26)The application of the rule of law may be constrained by ____
A. securing the tenure of office of judges
B. insulating judges from partisan politics
C. employing men of proven integrity as judges
D. invoking emergency powers
27)The highest court in Nigeria before 1963 was the _____
A. Supreme Court
B. High Court
C. Judicial Committees of the Privy Council
D. Court of Appeal
28)A feature unique to General Murtala Muhammed's Supreme Military Council as compared to that of General Yakubu Gowon was the _____
A. inclusion of the civilians as members
B. exclusion of military governors from the council
C. inclusion of the chief justice as a member
D. the exclusion of the Inspector General of police from the council
29)In the First Republic, Nigeria was very reluctant to have meaningful interaction with ____
A. Italy
B. the Soviet Union
C. the United States of America
D. Germany
30)The Gulf War of 1990 is an indication that the U. N. O. is unable to ___
A. ensure free world trade
B. stop colonialism
C. control armament
D. ensure permanent world peace
31)The simple plurality electoral system is often criticized because _____
A. the ruling party may lose the election
B. the winner may not poll an absolute majority
C. it works against all opposition parties
D. it is easy to rig
32)Which of the following was the last to win independence from colonial rule ?
A. Cote d'Ivoire
B. Algeria
C. Tanzania
D. Angola
33)Nigeria's non-aligned policy means that she will _____
A. have nothing to do with the superpowers
B. not take sides in international issues based on ideological considerations
C. avoid having any dealing with any country with ideological learnings
D. relate only with member countries of the Non-Aligned movement
34)The charter of the United Nations was drawn up in ____
A. New York
B. San Franciso
C. Washington DC
D. Los Angeles
35)The idea of making the civil service permanent, neutral and anonymous is to _____
A. make civil servants a functional elite
B. prevent opposition to government
C. ensure loyalty and support
D. enhance efficiency in administration
36)The delineation of constituencies is a major duty of the __
A. electoral commission
B. boundary commission
C. national assemblies
D. political parties
37)A meeting of the legislature is usually brought to an end with __
A. an adjournment
B. a prorogation
C. a dissolution
D. suspension
38) The economic basis of feudalism is __
A. agriculture
B. capital
C. trade
D. slavery
39) NEPAD was adopted during the OAU summit held in _____
A. Tunis
B. Lusaka
C. Cairo
D. Abuja
40) The Premier of Western Region immediately after independence was _____
A. Chief Obafemi Awolowo
B. Chief Ladoke Akintola
C. DR. M. A. Majekodunmi
D. Ahaji D. S adegbenro
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A. Prevent tribal wars
B. supervise native courts
C. decide divorce cases
D. take charge of local administration
26)The application of the rule of law may be constrained by ____
A. securing the tenure of office of judges
B. insulating judges from partisan politics
C. employing men of proven integrity as judges
D. invoking emergency powers
27)The highest court in Nigeria before 1963 was the _____
A. Supreme Court
B. High Court
C. Judicial Committees of the Privy Council
D. Court of Appeal
28)A feature unique to General Murtala Muhammed's Supreme Military Council as compared to that of General Yakubu Gowon was the _____
A. inclusion of the civilians as members
B. exclusion of military governors from the council
C. inclusion of the chief justice as a member
D. the exclusion of the Inspector General of police from the council
29)In the First Republic, Nigeria was very reluctant to have meaningful interaction with ____
A. Italy
B. the Soviet Union
C. the United States of America
D. Germany
30)The Gulf War of 1990 is an indication that the U. N. O. is unable to ___
A. ensure free world trade
B. stop colonialism
C. control armament
D. ensure permanent world peace
31)The simple plurality electoral system is often criticized because _____
A. the ruling party may lose the election
B. the winner may not poll an absolute majority
C. it works against all opposition parties
D. it is easy to rig
32)Which of the following was the last to win independence from colonial rule ?
A. Cote d'Ivoire
B. Algeria
C. Tanzania
D. Angola
33)Nigeria's non-aligned policy means that she will _____
A. have nothing to do with the superpowers
B. not take sides in international issues based on ideological considerations
C. avoid having any dealing with any country with ideological learnings
D. relate only with member countries of the Non-Aligned movement
34)The charter of the United Nations was drawn up in ____
A. New York
B. San Franciso
C. Washington DC
D. Los Angeles
35)The idea of making the civil service permanent, neutral and anonymous is to _____
A. make civil servants a functional elite
B. prevent opposition to government
C. ensure loyalty and support
D. enhance efficiency in administration
36)The delineation of constituencies is a major duty of the __
A. electoral commission
B. boundary commission
C. national assemblies
D. political parties
37)A meeting of the legislature is usually brought to an end with __
A. an adjournment
B. a prorogation
C. a dissolution
D. suspension
38) The economic basis of feudalism is __
A. agriculture
B. capital
C. trade
D. slavery
39) NEPAD was adopted during the OAU summit held in _____
A. Tunis
B. Lusaka
C. Cairo
D. Abuja
40) The Premier of Western Region immediately after independence was _____
A. Chief Obafemi Awolowo
B. Chief Ladoke Akintola
C. DR. M. A. Majekodunmi
D. Ahaji D. S adegbenro
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*JAMB PHYSICS PAST QUESTIONS🧠🔥🔥*
1️⃣ Two cars moving in the same direction have speeds of 100 km/h and 130 km/h. The velocity of the faster car relative to the slower car is:
A. 30 km/h
B. 130 km/h
C. 200 km/h
D. 230 km/h
2️⃣ A stone and a feather are dropped from the same height (ignoring air resistance). Which is correct?
A. Feather blown away, stone drops steadily
B. Both reach the ground at the same time
C. Feather reaches first
D. Stone reaches first
3️⃣ A car moves from 25 m/s to 45 m/s in 10 s. Acceleration is:
A. 2 m/s²
B. 5 m/s²
C. 20 m/s²
D. 25 m/s²
4️⃣ Surfaces of conveyor belts are made rough to:
A. Protect them while carrying loads
B. Prevent the loads from slipping
C. Enable them to carry more load
D. Make them stronger
5️⃣ A machine with velocity ratio 6 requires effort 400 N to lift a load of 800 N through 1 m. Efficiency is:
A. 55.6%
B. 50%
C. 33.3%
D. 22.2%
6️⃣ Wire 30 cm long is extended to 30.5 cm by a force of 300 N. Strain energy is:
A. 0.75 J
B. 7.50 J
C. 75.0 J
D. 750.0 J
7️⃣ In a hydraulic press, pump piston exerts 100 Pa on liquid. Force on second piston of area 3 m² is:
A. 300 N
B. 200 N
C. 150 N
D. 100 N
8️⃣ Relative density of a powdered substance is measured with a beam balance and:
A. Density bottle
B. Eureka can
C. Pipette
D. Burette
9️⃣ A hydrometer measures:
A. Vapour pressure
B. Density of liquid
C. Relative humidity
D. Relative density
🔟 Alcohol is preferred over mercury in thermometers because of:
A. Low density
B. Low freezing point
C. High specific heat
D. Low boiling point
1️⃣1️⃣ Oil density changes from 0.8 to 0.4 kg/m³, volume 20 m³. Initial volume:
A. 12 m³
B. 10 m³
C. 8 m³
D. 5 m³
1️⃣2️⃣ Heat is radiated by hot objects in the form of:
A. X-rays
B. Light energy
C. Infrared rays
D. Solar energy
1️⃣3️⃣ Ice melts in a full container. Water level:
A. Rises
B. Overflows
C. Remains unchanged
D. Drops
1️⃣4️⃣ Small droplets on grass in the morning are:
A. Hail
B. Dew
C. Fog
D. Mist
1️⃣5️⃣ A vapour is saturated when:
A. Dynamic equilibrium exists between liquid and vapour
B. More molecules return than leave liquid
C. Temperature varies
D. Vapour pressure = atmospheric
1️⃣6️⃣ Pressure of 1 mole of ideal gas, V = 10⁻² m³, T = 27°C [R=8.3]:
A. 2.49 × 10⁴ N/m²
B. 2.24 × 10⁴ N/m²
C. 2.49 × 10⁵ N/m²
D. 2.24 × 10⁵ N/m²
1️⃣7️⃣ Which has no effect on radiation?
A. Nature of surface
B. Density
C. Surface area
D. Temperature
1️⃣8️⃣ Wave velocity = 420 m/s, wavelength = 42 m. Period = ?
A. 1.2 s
B. 1.0 s
C. 0.5 s
D. 0.1 s
1️⃣9️⃣ Electricity bell sound dies down in a vacuum because:
A. Wavelength increases
B. Sound cannot pass
C. Sound needs material medium
D. Sound can pass through vacuum
2️⃣0️⃣ During thunderstorm, long-lasting sound is due to:
A. Diffraction
B. Refraction
C. Superposition
D. Reverberation
2️⃣1️⃣ In a camera vs human eye, the film functions as:
A. Retina
B. Iris
C. Cornea
D. Pupil
2️⃣2️⃣ Object 4 cm high is 15 cm from concave mirror, focal length 5 cm. Image size:
A. 2 cm
B. 3 cm
C. 4 cm
D. 5 cm
2️⃣3️⃣ Object in ice 10 cm deep, refractive index 1.50. Apparent depth:
A. 2.50 cm
B. 6.67 cm
C. 7.50 cm
D. 7.63 cm
2️⃣4️⃣ Short-sightedness is corrected with:
A. Convex lens
B. Concave lens
C. Convex mirror
D. Concave mirror
2️⃣5️⃣ Dispersion occurs when white light passes through a prism because:
A. Different hidden colours in glass
B. Different speeds of colours in glass
C. Defects in glass
D. High density of glass
2️⃣6️⃣ Positively charged rod near electroscope cap:
A. Leaves induced
B. Converge
C. Diverge
D. Constant
2️⃣7️⃣ Power supply transmitted at high voltage & low current to:
A. Pass through transformers
B. Increase supply
C. Travel fast
D. Prevent coil overheating
2️⃣8️⃣ Galvanometer 10 mA full-scale, series resistance 498 Ω to convert to 5 V voltmeter. Resistance of galvanometer:
A. 1 Ω
B. 2 Ω
C. 5 Ω
D. 10 Ω
2️⃣9️⃣ Two inductors 5 mH and 15 mH in series, current 5 A. Total energy stored:
A. 500 J
B. 250 J
C. 62.5 J
D. 50 J
E. No correct option
3️⃣0️⃣ AC circuit at resonance, angle of lead/lag:
A. π°
B. π/2°
C. π/3°
D. 0°
1️⃣ Two cars moving in the same direction have speeds of 100 km/h and 130 km/h. The velocity of the faster car relative to the slower car is:
A. 30 km/h
B. 130 km/h
C. 200 km/h
D. 230 km/h
2️⃣ A stone and a feather are dropped from the same height (ignoring air resistance). Which is correct?
A. Feather blown away, stone drops steadily
B. Both reach the ground at the same time
C. Feather reaches first
D. Stone reaches first
3️⃣ A car moves from 25 m/s to 45 m/s in 10 s. Acceleration is:
A. 2 m/s²
B. 5 m/s²
C. 20 m/s²
D. 25 m/s²
4️⃣ Surfaces of conveyor belts are made rough to:
A. Protect them while carrying loads
B. Prevent the loads from slipping
C. Enable them to carry more load
D. Make them stronger
5️⃣ A machine with velocity ratio 6 requires effort 400 N to lift a load of 800 N through 1 m. Efficiency is:
A. 55.6%
B. 50%
C. 33.3%
D. 22.2%
6️⃣ Wire 30 cm long is extended to 30.5 cm by a force of 300 N. Strain energy is:
A. 0.75 J
B. 7.50 J
C. 75.0 J
D. 750.0 J
7️⃣ In a hydraulic press, pump piston exerts 100 Pa on liquid. Force on second piston of area 3 m² is:
A. 300 N
B. 200 N
C. 150 N
D. 100 N
8️⃣ Relative density of a powdered substance is measured with a beam balance and:
A. Density bottle
B. Eureka can
C. Pipette
D. Burette
9️⃣ A hydrometer measures:
A. Vapour pressure
B. Density of liquid
C. Relative humidity
D. Relative density
🔟 Alcohol is preferred over mercury in thermometers because of:
A. Low density
B. Low freezing point
C. High specific heat
D. Low boiling point
1️⃣1️⃣ Oil density changes from 0.8 to 0.4 kg/m³, volume 20 m³. Initial volume:
A. 12 m³
B. 10 m³
C. 8 m³
D. 5 m³
1️⃣2️⃣ Heat is radiated by hot objects in the form of:
A. X-rays
B. Light energy
C. Infrared rays
D. Solar energy
1️⃣3️⃣ Ice melts in a full container. Water level:
A. Rises
B. Overflows
C. Remains unchanged
D. Drops
1️⃣4️⃣ Small droplets on grass in the morning are:
A. Hail
B. Dew
C. Fog
D. Mist
1️⃣5️⃣ A vapour is saturated when:
A. Dynamic equilibrium exists between liquid and vapour
B. More molecules return than leave liquid
C. Temperature varies
D. Vapour pressure = atmospheric
1️⃣6️⃣ Pressure of 1 mole of ideal gas, V = 10⁻² m³, T = 27°C [R=8.3]:
A. 2.49 × 10⁴ N/m²
B. 2.24 × 10⁴ N/m²
C. 2.49 × 10⁵ N/m²
D. 2.24 × 10⁵ N/m²
1️⃣7️⃣ Which has no effect on radiation?
A. Nature of surface
B. Density
C. Surface area
D. Temperature
1️⃣8️⃣ Wave velocity = 420 m/s, wavelength = 42 m. Period = ?
A. 1.2 s
B. 1.0 s
C. 0.5 s
D. 0.1 s
1️⃣9️⃣ Electricity bell sound dies down in a vacuum because:
A. Wavelength increases
B. Sound cannot pass
C. Sound needs material medium
D. Sound can pass through vacuum
2️⃣0️⃣ During thunderstorm, long-lasting sound is due to:
A. Diffraction
B. Refraction
C. Superposition
D. Reverberation
2️⃣1️⃣ In a camera vs human eye, the film functions as:
A. Retina
B. Iris
C. Cornea
D. Pupil
2️⃣2️⃣ Object 4 cm high is 15 cm from concave mirror, focal length 5 cm. Image size:
A. 2 cm
B. 3 cm
C. 4 cm
D. 5 cm
2️⃣3️⃣ Object in ice 10 cm deep, refractive index 1.50. Apparent depth:
A. 2.50 cm
B. 6.67 cm
C. 7.50 cm
D. 7.63 cm
2️⃣4️⃣ Short-sightedness is corrected with:
A. Convex lens
B. Concave lens
C. Convex mirror
D. Concave mirror
2️⃣5️⃣ Dispersion occurs when white light passes through a prism because:
A. Different hidden colours in glass
B. Different speeds of colours in glass
C. Defects in glass
D. High density of glass
2️⃣6️⃣ Positively charged rod near electroscope cap:
A. Leaves induced
B. Converge
C. Diverge
D. Constant
2️⃣7️⃣ Power supply transmitted at high voltage & low current to:
A. Pass through transformers
B. Increase supply
C. Travel fast
D. Prevent coil overheating
2️⃣8️⃣ Galvanometer 10 mA full-scale, series resistance 498 Ω to convert to 5 V voltmeter. Resistance of galvanometer:
A. 1 Ω
B. 2 Ω
C. 5 Ω
D. 10 Ω
2️⃣9️⃣ Two inductors 5 mH and 15 mH in series, current 5 A. Total energy stored:
A. 500 J
B. 250 J
C. 62.5 J
D. 50 J
E. No correct option
3️⃣0️⃣ AC circuit at resonance, angle of lead/lag:
A. π°
B. π/2°
C. π/3°
D. 0°
❤3
3️⃣1️⃣ Discharge tube with most gas pumped out conducts electricity at:
A. Low voltage
B. Steady voltage
C. High pressure
D. Low pressure
3️⃣2️⃣ Hydrogen atom, ground state energy = 5.44 × 10⁻¹⁹ J. Electron drops from 0 to ground. Frequency emitted [h = 6.6 × 10⁻³⁴ Js]:
A. 5.0 × 10¹⁶ Hz
B. 2.0 × 10¹⁶ Hz
C. 5.0 × 10¹⁵ Hz
D. 2.0 × 10¹⁵ Hz
E. No correct option
3️⃣3️⃣ Transistors are used for:
A. Rectification
B. AC → DC conversion
C. Signal amplification
D. DC → AC conversion
3️⃣4️⃣ Pure semiconductor:
A. Carbon
B. Silicon
C. Transistor
D. Phosphorus
3️⃣5️⃣ Bob weight 0.1 N, string length 50 cm. Pulled to 60° with horizontal force. Work done:
A. 0.500 J
B. 0.250 J
C. 0.050 J
D. 0.025 J
3️⃣6️⃣ Metals P & Q, lengths l₁ & l₂, linear expansion ratio 2:3, length ratio 3:4. Increase in length ratio P:Q:
A. 7:5
B. 5:7
C. 1:2
D. 2:1
3️⃣7️⃣ Velocity of sound in air at 16°C = 340 m/s. Pressure doubled, temperature 127°C. New velocity:
A. 400 m/s
B. 4,000 m/s
C. 8,000 m/s
D. 160,000 m/s
3️⃣8️⃣ Three capacitors 2 μF, 4 μF, 8 μF in parallel, 6 V across each. Total energy:
A. 2.52 × 10⁻⁶ J
B. 6.90 × 10⁻⁶ J
C. 2.52 × 10⁻⁴ J
D. 6.90 × 10⁻⁴ J
3️⃣9️⃣ Cell emf 12 V, internal resistance 4 Ω, external resistor 2 Ω. Current flow:
A. 5 A
B. 4 A
C. 3 A
D. 2 A
4️⃣0️⃣ Three 4 Ω resistors in parallel, 16 V across them. Total current:
A. 14 A
B. 12 A
C. 10 A
D. 8 A
4️⃣1️⃣ Faraday’s law of electrolysis: slope of mass vs charge graph gives:
A. Energy released
B. Electrochemical equivalent
C. Current flowing
D. Charge released
4️⃣2️⃣ Solid → liquid when heat applied is called:
A. Evaporation
B. Vaporization
C. Fission
D. Fusion
4️⃣3️⃣ Object weighed at different Earth locations. Observation:
A. Mass & weight vary
B. Weight constant, mass varies
C. Mass constant, weight varies
D. Both constant
4️⃣4️⃣ ²³⁵₉₂U decays by 2 α, 3 β & γ. Mass & atomic number of resulting element:
A. 215 & 88
B. 91 & 227
C. 227 & 91
D. 92 & 238
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A. Low voltage
B. Steady voltage
C. High pressure
D. Low pressure
3️⃣2️⃣ Hydrogen atom, ground state energy = 5.44 × 10⁻¹⁹ J. Electron drops from 0 to ground. Frequency emitted [h = 6.6 × 10⁻³⁴ Js]:
A. 5.0 × 10¹⁶ Hz
B. 2.0 × 10¹⁶ Hz
C. 5.0 × 10¹⁵ Hz
D. 2.0 × 10¹⁵ Hz
E. No correct option
3️⃣3️⃣ Transistors are used for:
A. Rectification
B. AC → DC conversion
C. Signal amplification
D. DC → AC conversion
3️⃣4️⃣ Pure semiconductor:
A. Carbon
B. Silicon
C. Transistor
D. Phosphorus
3️⃣5️⃣ Bob weight 0.1 N, string length 50 cm. Pulled to 60° with horizontal force. Work done:
A. 0.500 J
B. 0.250 J
C. 0.050 J
D. 0.025 J
3️⃣6️⃣ Metals P & Q, lengths l₁ & l₂, linear expansion ratio 2:3, length ratio 3:4. Increase in length ratio P:Q:
A. 7:5
B. 5:7
C. 1:2
D. 2:1
3️⃣7️⃣ Velocity of sound in air at 16°C = 340 m/s. Pressure doubled, temperature 127°C. New velocity:
A. 400 m/s
B. 4,000 m/s
C. 8,000 m/s
D. 160,000 m/s
3️⃣8️⃣ Three capacitors 2 μF, 4 μF, 8 μF in parallel, 6 V across each. Total energy:
A. 2.52 × 10⁻⁶ J
B. 6.90 × 10⁻⁶ J
C. 2.52 × 10⁻⁴ J
D. 6.90 × 10⁻⁴ J
3️⃣9️⃣ Cell emf 12 V, internal resistance 4 Ω, external resistor 2 Ω. Current flow:
A. 5 A
B. 4 A
C. 3 A
D. 2 A
4️⃣0️⃣ Three 4 Ω resistors in parallel, 16 V across them. Total current:
A. 14 A
B. 12 A
C. 10 A
D. 8 A
4️⃣1️⃣ Faraday’s law of electrolysis: slope of mass vs charge graph gives:
A. Energy released
B. Electrochemical equivalent
C. Current flowing
D. Charge released
4️⃣2️⃣ Solid → liquid when heat applied is called:
A. Evaporation
B. Vaporization
C. Fission
D. Fusion
4️⃣3️⃣ Object weighed at different Earth locations. Observation:
A. Mass & weight vary
B. Weight constant, mass varies
C. Mass constant, weight varies
D. Both constant
4️⃣4️⃣ ²³⁵₉₂U decays by 2 α, 3 β & γ. Mass & atomic number of resulting element:
A. 215 & 88
B. 91 & 227
C. 227 & 91
D. 92 & 238
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*JAMB PHYSICS SOLUTIONS📚📝🔥*
*DO YOUR CORRECTIONS*
1️⃣ Relative velocity
Same direction → subtract speeds
= 130 − 100 = 30 km/h ✔
Ans: A
2️⃣ Falling bodies
Ignoring air resistance, all bodies fall with same acceleration (g).
Ans: B
3️⃣ Acceleration
a = (v − u)/t = (45 − 25)/10 = 2 m/s²
Ans: A
4️⃣ Conveyor belt roughness
Rough surface increases friction to stop slipping.
Ans: B
5️⃣ Efficiency
Efficiency = (MA / VR) × 100
MA = Load/Effort = 800/400 = 2
Efficiency = (2/6) × 100 = 33.3%
Ans: C
6️⃣ Strain energy
Extension = 30.5 − 30 = 0.5 cm = 0.005 m
Strain energy = ½ × F × e
= ½ × 300 × 0.005 = 0.75 J
Ans: A
7️⃣ Hydraulic press
F = Pressure × Area
= 100 × 3 = 300 N
Ans: A
8️⃣ Relative density of powder
Measured using density bottle.
Ans: A
9️⃣ Hydrometer
Measures relative density of liquids.
Ans: D
🔟 Alcohol thermometer
Alcohol has low freezing point, works in cold regions.
Ans: B
1️⃣1️⃣ Density relation
Mass constant: ρ₁V₁ = ρ₂V₂
0.8V = 0.4 × 20
V = 8 m³
Ans: C
1️⃣2️⃣ Radiation
Hot bodies emit infrared rays.
Ans: C
1️⃣3️⃣ Ice in full container
Ice displaces its own weight of water → level unchanged.
Ans: C
1️⃣4️⃣ Morning droplets
Condensed water vapour = Dew
Ans: B
1️⃣5️⃣ Saturated vapour
Dynamic equilibrium between liquid & vapour.
Ans: A
1️⃣6️⃣ Ideal gas
P = nRT/V
= (1 × 8.3 × 300) / 10⁻²
= 2.49 × 10⁵ N/m²
Ans: C
1️⃣7️⃣ Radiation factor
Density does not affect radiation.
Ans: B
1️⃣8️⃣ Wave period
v = fλ → f = 420/42 = 10 Hz
T = 1/f = 0.1 s
Ans: D
1️⃣9️⃣ Sound in vacuum
Sound needs a material medium.
Ans: C
2️⃣0️⃣ Thunder sound
Multiple reflections → reverberation
Ans: D
2️⃣1️⃣ Camera vs eye
Film = retina
Ans: A
2️⃣2️⃣ Concave mirror
Magnification = v/u = hᵢ/hₒ
v = 15 cm, f = 5 cm
Image height = 3 cm
Ans: B
2️⃣3️⃣ Apparent depth
= Real depth / refractive index
= 10 / 1.5 = 6.67 cm
Ans: B
2️⃣4️⃣ Short sight
Corrected with concave lens.
Ans: B
2️⃣5️⃣ Dispersion
Colours travel at different speeds in glass.
Ans: B
2️⃣6️⃣ Charged rod near electroscope
Leaves diverge due to induction.
Ans: C
2️⃣7️⃣ High voltage transmission
Reduces current → prevents overheating.
Ans: D
2️⃣8️⃣ Voltmeter conversion
Rg = V/I − Rs
= 5/0.01 − 498 = 10 Ω
Ans: D
2️⃣9️⃣ Inductors energy
E = ½LI²
L = 0.02 H
E = ½ × 0.02 × 25 = 0.25 J
Not in options.
Ans: E
3️⃣0️⃣ Resonance
Phase difference = 0°
Ans: D
3️⃣1️⃣ Discharge tube
Conducts at low pressure.
Ans: D
3️⃣2️⃣ Photon frequency
f = E/h = 5.44×10⁻¹⁹ / 6.6×10⁻³⁴
= 8.24×10¹⁴ Hz (not listed)
Ans: E
3️⃣3️⃣ Transistor
Used for amplification.
Ans: C
3️⃣4️⃣ Pure semiconductor
Silicon
Ans: B
3️⃣5️⃣ Pendulum work
Work = Weight × vertical height
= 0.1 × 0.5 = 0.25 J
Ans: B
3️⃣6️⃣ Expansion ratio
Increase ∝ αL
Ratio = (2×3):(3×4) = 6:12 = 1:2
Ans: C
3️⃣7️⃣ Speed of sound
Depends only on temperature.
New T = 127°C → 400 m/s
Ans: A
3️⃣8️⃣ Capacitors
Cₜ = 2 + 4 + 8 = 14 μF
E = ½CV² = ½ × 14×10⁻⁶ × 36
= 6.9 × 10⁻⁶ J
Ans: B
3️⃣9️⃣ Current
I = E / (R + r) = 12 / 6 = 2 A
Ans: D
4️⃣0️⃣ Parallel resistors
R = 4/3 Ω
I = 16 / (4/3) = 12 A
Ans: B
4️⃣1️⃣ Faraday’s law
Slope = electrochemical equivalent
Ans: B
4️⃣2️⃣ Solid → liquid
Fusion
Ans: D
4️⃣3️⃣ Weighing on Earth
Mass constant, weight varies.
Ans: C
4️⃣4️⃣ Nuclear decay
MasAtomic nos = 235 − 8 = 227
= 92 − 4 + 3 = 91
Ans: C
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*DO YOUR CORRECTIONS*
1️⃣ Relative velocity
Same direction → subtract speeds
= 130 − 100 = 30 km/h ✔
Ans: A
2️⃣ Falling bodies
Ignoring air resistance, all bodies fall with same acceleration (g).
Ans: B
3️⃣ Acceleration
a = (v − u)/t = (45 − 25)/10 = 2 m/s²
Ans: A
4️⃣ Conveyor belt roughness
Rough surface increases friction to stop slipping.
Ans: B
5️⃣ Efficiency
Efficiency = (MA / VR) × 100
MA = Load/Effort = 800/400 = 2
Efficiency = (2/6) × 100 = 33.3%
Ans: C
6️⃣ Strain energy
Extension = 30.5 − 30 = 0.5 cm = 0.005 m
Strain energy = ½ × F × e
= ½ × 300 × 0.005 = 0.75 J
Ans: A
7️⃣ Hydraulic press
F = Pressure × Area
= 100 × 3 = 300 N
Ans: A
8️⃣ Relative density of powder
Measured using density bottle.
Ans: A
9️⃣ Hydrometer
Measures relative density of liquids.
Ans: D
🔟 Alcohol thermometer
Alcohol has low freezing point, works in cold regions.
Ans: B
1️⃣1️⃣ Density relation
Mass constant: ρ₁V₁ = ρ₂V₂
0.8V = 0.4 × 20
V = 8 m³
Ans: C
1️⃣2️⃣ Radiation
Hot bodies emit infrared rays.
Ans: C
1️⃣3️⃣ Ice in full container
Ice displaces its own weight of water → level unchanged.
Ans: C
1️⃣4️⃣ Morning droplets
Condensed water vapour = Dew
Ans: B
1️⃣5️⃣ Saturated vapour
Dynamic equilibrium between liquid & vapour.
Ans: A
1️⃣6️⃣ Ideal gas
P = nRT/V
= (1 × 8.3 × 300) / 10⁻²
= 2.49 × 10⁵ N/m²
Ans: C
1️⃣7️⃣ Radiation factor
Density does not affect radiation.
Ans: B
1️⃣8️⃣ Wave period
v = fλ → f = 420/42 = 10 Hz
T = 1/f = 0.1 s
Ans: D
1️⃣9️⃣ Sound in vacuum
Sound needs a material medium.
Ans: C
2️⃣0️⃣ Thunder sound
Multiple reflections → reverberation
Ans: D
2️⃣1️⃣ Camera vs eye
Film = retina
Ans: A
2️⃣2️⃣ Concave mirror
Magnification = v/u = hᵢ/hₒ
v = 15 cm, f = 5 cm
Image height = 3 cm
Ans: B
2️⃣3️⃣ Apparent depth
= Real depth / refractive index
= 10 / 1.5 = 6.67 cm
Ans: B
2️⃣4️⃣ Short sight
Corrected with concave lens.
Ans: B
2️⃣5️⃣ Dispersion
Colours travel at different speeds in glass.
Ans: B
2️⃣6️⃣ Charged rod near electroscope
Leaves diverge due to induction.
Ans: C
2️⃣7️⃣ High voltage transmission
Reduces current → prevents overheating.
Ans: D
2️⃣8️⃣ Voltmeter conversion
Rg = V/I − Rs
= 5/0.01 − 498 = 10 Ω
Ans: D
2️⃣9️⃣ Inductors energy
E = ½LI²
L = 0.02 H
E = ½ × 0.02 × 25 = 0.25 J
Not in options.
Ans: E
3️⃣0️⃣ Resonance
Phase difference = 0°
Ans: D
3️⃣1️⃣ Discharge tube
Conducts at low pressure.
Ans: D
3️⃣2️⃣ Photon frequency
f = E/h = 5.44×10⁻¹⁹ / 6.6×10⁻³⁴
= 8.24×10¹⁴ Hz (not listed)
Ans: E
3️⃣3️⃣ Transistor
Used for amplification.
Ans: C
3️⃣4️⃣ Pure semiconductor
Silicon
Ans: B
3️⃣5️⃣ Pendulum work
Work = Weight × vertical height
= 0.1 × 0.5 = 0.25 J
Ans: B
3️⃣6️⃣ Expansion ratio
Increase ∝ αL
Ratio = (2×3):(3×4) = 6:12 = 1:2
Ans: C
3️⃣7️⃣ Speed of sound
Depends only on temperature.
New T = 127°C → 400 m/s
Ans: A
3️⃣8️⃣ Capacitors
Cₜ = 2 + 4 + 8 = 14 μF
E = ½CV² = ½ × 14×10⁻⁶ × 36
= 6.9 × 10⁻⁶ J
Ans: B
3️⃣9️⃣ Current
I = E / (R + r) = 12 / 6 = 2 A
Ans: D
4️⃣0️⃣ Parallel resistors
R = 4/3 Ω
I = 16 / (4/3) = 12 A
Ans: B
4️⃣1️⃣ Faraday’s law
Slope = electrochemical equivalent
Ans: B
4️⃣2️⃣ Solid → liquid
Fusion
Ans: D
4️⃣3️⃣ Weighing on Earth
Mass constant, weight varies.
Ans: C
4️⃣4️⃣ Nuclear decay
MasAtomic nos = 235 − 8 = 227
= 92 − 4 + 3 = 91
Ans: C
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JAMB shuts 2026 UTME registration February 26 as 1.5 million candidates enrol for JAMB 2026 registration so far !!!!
In a firm notice issued on Tuesday, the Board announced that the sale of e-PINs, a mandatory requirement for registration, will close at 12:00 midnight on Thursday, February 26, 2026.
Registration at accredited Computer-Based Test (CBT) centres for candidates who have already purchased their e-PINs will end two days later, on Saturday, February 28, 2026.
Registration at accredited Computer-Based Test (CBT) centres for candidates who have already purchased their e-PINs will end two days later, on Saturday, February 28, 2026.
As of February 17, JAMB disclosed that over 1.5 million candidates have successfully registered nationwide.
In a firm notice issued on Tuesday, the Board announced that the sale of e-PINs, a mandatory requirement for registration, will close at 12:00 midnight on Thursday, February 26, 2026.
Registration at accredited Computer-Based Test (CBT) centres for candidates who have already purchased their e-PINs will end two days later, on Saturday, February 28, 2026.
Registration at accredited Computer-Based Test (CBT) centres for candidates who have already purchased their e-PINs will end two days later, on Saturday, February 28, 2026.
As of February 17, JAMB disclosed that over 1.5 million candidates have successfully registered nationwide.
❤2
🔥 UPDATE 🔥
JAMB OPENS PORTAL FOR CANDIDATES’ DATA CORRECTION
The Joint Admissions and Matriculation Board (JAMB) has officially opened its Data Correction portal, giving UTME candidates the opportunity to correct mistakes made during registration before the admission process begins.
This move is to help candidates fix any wrong personal or academic details that could affect their admission chances. Please note that some corrections may attract a fee and may require valid supporting documents, depending on the type of correction.
👉 How to Access:
Visit the nearest accredited CBT centre to process your correction.
JAMB OPENS PORTAL FOR CANDIDATES’ DATA CORRECTION
The Joint Admissions and Matriculation Board (JAMB) has officially opened its Data Correction portal, giving UTME candidates the opportunity to correct mistakes made during registration before the admission process begins.
This move is to help candidates fix any wrong personal or academic details that could affect their admission chances. Please note that some corrections may attract a fee and may require valid supporting documents, depending on the type of correction.
👉 How to Access:
Visit the nearest accredited CBT centre to process your correction.
❤1
2026 JAMBITES STUDENT'S!!!
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*TELL YOUR PARENTS ABOUT US, DON'T LET YOUR SON FAIL JAMB AND REWRITE AGAIN*
*WHATSAPP 09056863938 OR 09137409382 ONLY.*
U CAN MESSAGE ME FOR JAMB ASSISTANT
*280+ TO 380+ JAMB SCORE 2026*
*JUST 59 DAYS LEFT TO MAIN JAMB, YOUR DECISION WILL DETERMINE FROM NOW......DM EXAMKEY CEO FOR JAMB ASSISTANT!!!!*
*TELL YOUR PARENTS ABOUT US, DON'T LET YOUR SON FAIL JAMB AND REWRITE AGAIN*
*WHATSAPP 09056863938 OR 09137409382 ONLY.*
DM FOR WAEC TOKEN PIN 📌
IT'S AVAILABLE PLENTY!!!
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