If you’re preparing for JAMB, WAEC, or NECO Physics 2025, this post gives you a quick revision guide. Below are 10 carefully chosen Physics questions and answers that test your grasp of core principles. Each includes brief, easy-to-understand explanations to help you study smarter.
Question 1: Work and Energy
Under which condition is work done?
A. A man supports a heavy load on his head.
B. A woman holds a pot of water.
C. A boy climbs onto a table.
D. A man pushes against a stationary tanker.
Answer: C. A boy climbs onto a table.
Explanation:
Work is done only when a force causes motion. Here, the boy moves upward; thus, work is performed.
Question 2: Pressure in Fluids
The pressure at a point in a liquid increases with what?
A. Height of liquid column
B. Depth of the liquid
C. Density of the liquid
D. Temperature
Answer: B. Depth of the liquid.
Explanation:
Pressure increases with depth because more liquid weight acts on the point below the surface.
Question 3: Speed and Velocity
If a car travels 200 km in 4 hours, find its speed.
A. 25 km/h
B. 50 km/h
C. 75 km/h
D. 100 km/h
Answer: B. 50 km/h
Explanation:
Speed = distance/time = 200 ÷ 4 = 50 km/h.
Question 4: Newton’s First Law
Which of the following illustrates Newton’s first law?
A. A book on a table stays at rest until moved.
B. A stone falls freely under gravity.
C. A car accelerates when pushed.
D. A fan rotates when switched on.
Answer: A. A book on a table stays at rest until moved.
Explanation:
Objects remain in their state of rest or motion unless acted upon by an external force.
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Question 5: Electric Circuits
What happens when one bulb in a series circuit burns out?
A. Others become brighter.
B. The current doubles.
C. The circuit breaks.
D. Voltage increases.
Answer: C. The circuit breaks.
Explanation:
In a series circuit, one open connection stops current flow through all bulbs.
Question 6: Heat Transfer
Which process does not require a medium?
A. Conduction
B. Convection
C. Radiation
D. Evaporation
Answer: C. Radiation.
Explanation:
Radiation transfers heat through a vacuum, unlike conduction or convection.
Question 7: Sound Waves
Which of these materials best transmits sound?
A. Air
B. Water
C. Iron
D. Wood
Answer: C. Iron
Explanation:
Sound travels faster in solids because their molecules are closely packed.
Question 8: Magnetism
Which statement about magnetic lines of force is correct?
A. They cross each other.
B. They run from north to south inside the magnet.
C. They run from south to north outside the magnet.
D. They are parallel to each other.
Answer: B. They run from north to south inside the magnet.
Explanation:
Magnetic lines move internally from north to south and externally from south to north.
Question 9: Reflection of Light
If a ray of light strikes a mirror at 30°, what is the angle of reflection?
A. 15°
B. 30°
C. 45°
D. 60°
Answer: B. 30°
Explanation:
By the law of reflection, angle of incidence equals angle of reflection.
Question 10: Density
A block of mass 600 g has a volume of 200 cm³. Find its density.
A. 2.0 g/cm³
B. 3.0 g/cm³
C. 3.5 g/cm³
D. 4.0 g/cm³
Answer: B. 3.0 g/cm³
Explanation:
Density = mass ÷ volume = 600 ÷ 200 = 3.0 g/cm³.
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Conclusion
Consistent practice with Physics past questions boosts your confidence for JAMB, WAEC, or NECO. Focus on topics like energy, motion, and heat transfer, as they frequently appear in exams.
Keywords
- JAMB Physics 2025 questions
- WAEC and NECO Physics past questions
- Likely Physics questions and answers
- Work and energy problems
- Heat transfer physics
Credit: Allschool, Allcbt
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