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Likely GCE Physics Questions and Answers

Published on Sep 12, 2025 • Education

Introduction

Physics is one of the most challenging subjects in the General Certificate Examination (GCE). Many students struggle with topics such as thermometry, motion, and energy calculations. However, practicing solved questions is the best way to build confidence and accuracy.

This guide presents likely GCE Physics questions, worked examples, and additional practice questions with solutions.

Worked Example – Thermometer Calibration

A mercury-in-glass thermometer has its lower fixed point at X mm and the upper fixed point at 180 mm. On a particular day, the mercury level rises to 60 mm. If this corresponds to 20°C on the Celsius scale, what is the value of X?

Answer: The lower fixed point X is 30 mm.

Question 1 – Units

Which of the following is the SI unit of pressure?

A. Joule
B. Watt
C. Pascal
D. Newton

C. Pascal

Pressure = Force ÷ Area, unit = N/m² = Pascal (Pa).

Question 2 – Motion

A body accelerates uniformly from rest at 4 m/s24 \, \text{m/s}^24m/s2 for 5 seconds. What is its final velocity?

A. 10 m/s
B. 15 m/s
C. 20 m/s
D. 25 m/s

C. 20 m/s

Question 3 – Heat

The specific heat capacity of a substance is defined as:

A. Heat required to change its state
B. Heat required to raise the temperature of 1 kg by 1 K
C. Heat required to vaporize it
D. Heat absorbed during fusion

B. Heat required to raise the temperature of 1 kg by 1 K

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Question 4 – Waves

The time for one complete oscillation is called:

A. Amplitude
B. Frequency
C. Period
D. Wavelength

C. Period

Question 5 – Electricity

A current of 2 A flows through a 6 Ω resistor. What is the potential difference across it?

A. 8 V
B. 10 V
C. 12 V
D. 14 V

C. 12 V

Question 6 – Energy

Work is said to be done when:

A. A force is applied without displacement
B. A body remains at rest under a force
C. A force moves a body through a distance
D. Energy is stored in a body

C. A force moves a body through a distance

Work = Force × Distance moved in the direction of the force.

Question 7 – Optics

The image formed by a plane mirror is always:

A. Real and inverted
B. Virtual and upright
C. Smaller than the object
D. Magnified

B. Virtual and upright

Plane mirrors always produce virtual, upright, and same-size images.

Question 8 – Magnetism

The north pole of a magnet is brought near the south pole of another magnet. What happens?

A. They repel
B. They attract
C. Nothing happens
D. Both lose magnetism

B. They attract

Unlike poles attract; like poles repel.

Question 9 – Sound

Sound cannot travel through:

A. Solids
B. Liquids
C. Gases
D. Vacuum

D. Vacuum

Sound requires a medium; it cannot travel through a vacuum.

Question 10 – Nuclear Physics

The process by which an unstable nucleus loses particles to become stable is known as:

A. Ionization
B. Radioactivity
C. Fusion
D. Fission

B. Radioactivity

Radioactivity is the spontaneous disintegration of unstable nuclei.

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Conclusion

Physics questions in GCE often test principles like thermometry, motion, waves, and electricity. However, steady practice with worked examples will improve both speed and accuracy.

In summary, mastering key formulas and regularly solving past questions are the best strategies for excelling in GCE Physics.

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