WAEC 2026 WAEC Physics Practical Questions and Answers (Specimen)
The WAEC 2026 WAEC Physics Practical Questions and Answers (Specimen) is designed to test students’ understanding of experimental physics, accuracy in measurements, and ability to analyze results. Candidates are expected to handle apparatus, record observations, and draw valid conclusions based on experiments. Below are 40 likely practical questions and their answers based on standard WAEC specimen formats.
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Question 1
Define a simple pendulum.
Answer: A simple pendulum is a small mass (bob) suspended from a fixed point by a light inextensible string and allowed to oscillate freely.
Question 2
State two precautions when using a pendulum.
Answer:
- Avoid air currents.
- Ensure the angle of swing is small.
Question 3
What is meant by time of oscillation?
Answer: Time taken for one complete to-and-fro movement.
Question 4
Write the formula for acceleration due to gravity using a pendulum.
Answer:
g = (4π²L) / T²
Question 5
State the unit of length.
Answer: Meter (m)
Question 6
Name an instrument used to measure time.
Answer: Stopwatch
Question 7
What is parallax error?
Answer: Error due to incorrect eye position when reading a scale.
Question 8
How can parallax error be avoided?
Answer: Read the scale at eye level.
Question 9
Define density.
Answer: Mass per unit volume.
Question 10
Write the formula for density.
Answer:
Density = Mass / Volume
Question 11
State the unit of density.
Answer: kg/m³
Question 12
Name an instrument used to measure mass.
Answer: Beam balance
Question 13
What is a vernier caliper used for?
Answer: Measuring small lengths accurately.
Question 14
Define least count.
Answer: The smallest reading an instrument can measure.
Question 15
State the least count of a typical vernier caliper.
Answer: 0.01 cm
Question 16
What is a micrometer screw gauge used for?
Answer: Measuring very small thickness.
Question 17
Define zero error.
Answer: Error when instrument does not read zero when it should.
Question 18
State Ohm’s law.
Answer: Current is directly proportional to voltage at constant temperature.
Question 19
Write the formula of Ohm’s law.
Answer:
V = IR
Question 20
Name an instrument used to measure current.
Answer: Ammeter
Question 21
Name an instrument used to measure voltage.
Answer: Voltmeter
Question 22
State the unit of resistance.
Answer: Ohm (Ω)
Question 23
What is resistance?
Answer: Opposition to flow of current.
Question 24
State one precaution in electrical experiment.
Answer: Ensure proper connection.
Question 25
Define power.
Answer: Rate of doing work.
Question 26
Write formula for electrical power.
Answer:
P = VI
Question 27
State the unit of power.
Answer: Watt (W)
Question 28
Define work done.
Answer: Force × distance
Question 29
State the unit of work.
Answer: Joule (J)
Question 30
What is friction?
Answer: Force opposing motion.
Question 31
Define velocity.
Answer: Speed in a given direction.
Question 32
State the unit of velocity.
Answer: m/s
Question 33
What is acceleration?
Answer: Rate of change of velocity.
Question 34
State the unit of acceleration.
Answer: m/s²
Question 35
Define force.
Answer: Push or pull on an object.
Question 36
State the unit of force.
Answer: Newton (N)
Question 37
What is energy?
Answer: Ability to do work.
Question 38
State the unit of energy.
Answer: Joule (J)
Question 39
Define pressure.
Answer: Force per unit area.
Question 40
Write formula for pressure.
Answer:
Pressure = Force / Area
Conclusion
This WAEC 2026 WAEC Physics Practical Questions and Answers (Specimen) provides a solid revision base for candidates preparing for the exam. Practicing these questions will improve accuracy, confidence, and understanding of laboratory techniques. Ensure you also practice with real apparatus to gain hands-on experience before the examination.
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