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Question 1

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The diameter of a ball bearing is 0.000 045 m. Expressed in standard form (scientific notation), what is this value?

4.5 x 10^-4 m

45 x 10^-6 m

4.5 x 10^-5 m

4.5 x 10^-6 m

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Key Facts: SPM Physics Exam

SPM Physics (4531) is a three-paper KSSM science elective set by Lembaga Peperiksaan: Paper 1 has 40 multiple-choice questions, Paper 2 is structured plus essay, and Paper 3 is practical, all graded on the 11-band A+ to G scale.

Sample SPM Physics Practice Questions

Try these sample questions to test your SPM Physics exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In the SPM Physics KSSM syllabus, base quantities are the fundamental physical quantities from which all others are derived. Which of the following is a base quantity?

A.Force

B.Velocity

C.Electric current

D.Density

Explanation: Electric current is one of the five base quantities in the SPM syllabus (length, mass, time, temperature and electric current), with the ampere as its SI unit. Base quantities cannot be expressed in terms of other physical quantities.

2A student wants to measure the diameter of a thin copper wire to the highest precision. Which instrument should be used?

A.Metre rule

B.Vernier callipers

C.Measuring tape

D.Micrometer screw gauge

Explanation: A micrometer screw gauge has a precision of 0.01 mm, the highest of these instruments, making it suitable for very small thicknesses such as a thin wire. The thimble and ratchet give consistent, fine measurements.

3In a scientific investigation on the period of a simple pendulum against its length, the length of the pendulum is changed and the period is measured. What is the responding variable?

A.The period of oscillation

B.The length of the pendulum

C.The mass of the pendulum bob

D.The gravitational field strength

Explanation: The responding variable is the quantity that changes in response to the manipulated variable. Here the period responds to the change in pendulum length, so the period is the responding variable.

4A measurement of the length of a rod is recorded as 12.0 cm, 12.1 cm, 12.0 cm and 11.9 cm in repeated readings. The readings are close together but differ from the true value of 12.5 cm. How are these readings best described?

A.Accurate but not consistent

B.Both accurate and consistent

C.Neither accurate nor consistent

D.Consistent but not accurate

Explanation: Consistency (precision) means the repeated readings are close to one another, which they are. Accuracy means they are close to the true value, which they are not (true value 12.5 cm). Hence the readings are consistent but not accurate.

5The diameter of a ball bearing is 0.000 045 m. Expressed in standard form (scientific notation), what is this value?

A.4.5 x 10^-4 m

B.4.5 x 10^-5 m

C.45 x 10^-6 m

D.4.5 x 10^-6 m

Explanation: Moving the decimal point so one non-zero digit is before it: 0.000045 = 4.5 x 10^-5 m. The decimal point moves 5 places to the right, giving an exponent of -5.

6A car travels 60 m east, then 80 m north. What is the magnitude of its displacement from the starting point?

A.140 m

B.20 m

C.100 m

D.70 m

Explanation: Displacement is the straight-line distance from start to finish. Using Pythagoras' theorem: sqrt(60^2 + 80^2) = sqrt(3600 + 6400) = sqrt(10000) = 100 m.

7A car accelerates uniformly from rest to 30 m s^-1 in 6 s. What is its acceleration?

A.180 m s^-2

B.0.2 m s^-2

C.36 m s^-2

D.5 m s^-2

Explanation: Acceleration a = (v - u) / t = (30 - 0) / 6 = 5 m s^-2. The car gains 5 m s^-1 of velocity each second.

8On a velocity-time graph, a straight line sloping downwards towards the time axis and reaching zero represents an object that is:

A.Decelerating uniformly to rest

B.Moving with constant velocity

C.Accelerating uniformly

D.Stationary

Explanation: A downward straight line shows velocity decreasing at a constant rate, which is uniform deceleration. When the line reaches the time axis, the velocity is zero, so the object comes to rest.

9A trolley of mass 2 kg is acted on by a resultant force of 10 N. According to Newton's second law, what is its acceleration?

A.20 m s^-2

B.5 m s^-2

C.0.2 m s^-2

D.12 m s^-2

Explanation: Newton's second law states F = ma, so a = F / m = 10 / 2 = 5 m s^-2. The resultant force produces acceleration in its own direction.

10Which statement best explains the physics behind a safety feature such as a car seat belt during a sudden stop?

A.It increases the impulsive force on the passenger

B.It reduces inertia of the passenger

C.It increases the time of impact, reducing the impulsive force

D.It increases the momentum of the passenger

Explanation: From impulse, F = (change in momentum) / t. A seat belt slightly extends the stopping time, so for the same change in momentum the impulsive force on the passenger is reduced, lowering injury risk.

About the SPM Physics Exam

SPM Physics (subject code 4531) is a science-stream elective of the Sijil Pelajaran Malaysia, Malaysia's national Form 5 leaving examination administered by Lembaga Peperiksaan (the Malaysian Examinations Board) under the Ministry of Education. It follows the KSSM curriculum, whose 2021 syllabus and assessment format were confirmed valid for the 2026-2028 SPM series, with thirteen chapters spanning Form 4 (Measurement, Force and Motion I, Gravitation, Heat, Waves, Light and Optics) and Form 5 (Force and Motion II, Pressure, Electricity, Electromagnetism, Electronics, Nuclear Physics, Quantum Physics). The subject is assessed by three bilingual papers: Paper 1 (4531/1) with 40 objective multiple-choice questions, Paper 2 (4531/2) with structured and essay questions, and Paper 3 (4531/3) a practical science test. Results are reported on the 11-band A+ to G scale, and a non-programmable scientific calculator is permitted. SPM Physics is a key prerequisite for science, engineering, medical and matriculation pathways.

Questions

100 scored questions

Time Limit

Paper 1: 1 h 15 min; Paper 2: 2 h 30 min; Paper 3: 1 h 30 min

Passing Score

11-band SPM scale from A+ down to G; grade boundaries are set each year from the combined Paper 1, 2 and 3 marks.

Exam Fee

Free for government and government-aided school candidates; private and repeat candidates pay a per-subject registration fee to Lembaga Peperiksaan (around RM20 per subject, confirmed at registration). (Lembaga Peperiksaan (Malaysian Examinations Board), Kementerian Pendidikan Malaysia (Ministry of Education Malaysia))

SPM Physics Exam Content Outline

26%

Force and Motion (Form 4 and Form 5)

Linear motion and graphs, Newton's laws, momentum and impulse, work, energy, power and efficiency, elasticity, plus circular motion, moments and equilibrium.

Waves

Wave fundamentals, damping and resonance, reflection, refraction, diffraction and interference, the electromagnetic spectrum and sound.

Light and Optics

Reflection, refraction and refractive index, total internal reflection and critical angle, curved mirrors, lenses and image formation.

Electricity

Ohm's law, series and parallel resistance, e.m.f. and internal resistance, electrical energy and power, and domestic electrical safety.

Electronics

Semiconductors and doping, diodes and rectification, transistors, LDR and thermistor sensors, and logic gates.

Nuclear Physics

Atomic structure, isotopes, radioactivity, half-life, decay, mass-energy equivalence, fission, fusion and radiation safety.

Heat

Thermal equilibrium, specific heat capacity, specific latent heat and the gas laws.

Pressure

Solid and liquid pressure, atmospheric pressure, Pascal's principle, Archimedes' principle and Bernoulli's principle.

Quantum Physics

Photons, photon energy, the photoelectric effect, threshold frequency and the photocell.

11%

Measurement and Gravitation

Physical quantities and instruments, scientific investigation, standard form, universal gravitation, gravitational field strength, free fall and satellite motion.

How to Pass the SPM Physics Exam

What You Need to Know

Passing score: 11-band SPM scale from A+ down to G; grade boundaries are set each year from the combined Paper 1, 2 and 3 marks.
Exam length: 100 questions
Time limit: Paper 1: 1 h 15 min; Paper 2: 2 h 30 min; Paper 3: 1 h 30 min
Exam fee: Free for government and government-aided school candidates; private and repeat candidates pay a per-subject registration fee to Lembaga Peperiksaan (around RM20 per subject, confirmed at registration).

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

SPM Physics Study Tips from Top Performers

1Master Paper 1 by drilling the 40-question objective format under timed conditions; speed and accurate concept recall across all thirteen chapters are essential.

2Memorise and practise the key formulas: F = ma, p = mv, V = IR, P = VI, Q = mc(theta), v = f x lambda, P = h(rho)g and E = hf, including unit conversions such as cm to m.

3Practise graph skills for Paper 2 and Paper 3: reading gradients, calculating areas under graphs, and stating relationships between manipulated and responding variables.

4Learn Paper 3 experimental technique: correctly identify manipulated, responding and fixed variables, tabulate data with units, and plot best-fit lines accurately.

5Work through past-year SPM Physics papers (4531/1, 4531/2, 4531/3) to learn the marking style; in subjective papers, method and reasoning earn marks even with partial answers.

6Connect concepts to real applications the syllabus emphasises, such as transformers in the National Grid, total internal reflection in optical fibres, and half-life in carbon dating.

7Build a formula and definition sheet for high-yield Form 5 topics (Electricity, Electromagnetism, Nuclear and Quantum Physics) and revise it daily before the November exam.

Frequently Asked Questions

How many papers are there in SPM Physics (4531) and what are they?

SPM Physics has three papers. Paper 1 (4531/1) is an objective paper with 40 multiple-choice questions in 1 hour 15 minutes. Paper 2 (4531/2) is a subjective paper with structured and essay questions across Sections A, B and C in 2 hours 30 minutes. Paper 3 (4531/3) is a practical science test of about 1 hour 30 minutes.

Is the SPM Physics syllabus changing for 2026?

No. The KSSM Physics syllabus and the 2021 SPM assessment format were officially confirmed valid for the 2026, 2027 and 2028 SPM examination series, so there is no content reform for SPM Physics in this period.

What topics are covered in SPM Physics?

The KSSM syllabus has thirteen chapters across two years. Form 4 covers Measurement, Force and Motion I, Gravitation, Heat, Waves, and Light and Optics. Form 5 covers Force and Motion II, Pressure, Electricity, Electromagnetism, Electronics, Nuclear Physics and Quantum Physics.

How is SPM Physics graded?

SPM uses an 11-band grade scale from A+ (highest) down to G, with G being the lowest passing band. There is no single fixed pass mark per subject; grade boundaries are set each year by Lembaga Peperiksaan from the combined marks of Papers 1, 2 and 3.

Can I sit SPM Physics in English?

Yes. As a science subject, SPM Physics is a bilingual paper in Bahasa Melayu and English, and candidates may answer in either language. A non-programmable scientific calculator is also permitted.

Is there a fee to sit SPM Physics?

It is free for candidates registered through government and government-aided schools. Private (calon persendirian) and repeat candidates pay a per-subject registration fee to Lembaga Peperiksaan, around RM20 per subject, with the exact amount confirmed at registration, usually around March to April.

Who administers SPM Physics?

SPM is administered by Lembaga Peperiksaan, the Malaysian Examinations Board, under Kementerian Pendidikan Malaysia (the Ministry of Education Malaysia). It is distinct from the Majlis Peperiksaan Malaysia, which runs the STPM.

100+ Free SPM Physics Practice Questions

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