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How to Pass JAMB Physics in 2027

A clear plan to pass JAMB Physics in 2027: formula habits, unit checks, graph reading, topic priorities and original worked examples for CBT practice.

ExamPadi Editorial · Updated · 7 min read

Physics frightens many candidates, but most UTME Physics questions fall into a small number of patterns. You either recall a definition, apply a formula, read a graph or diagram, or reason about what happens when one quantity changes. If you can recognise which of the four a question is, you have already done half the work.

This guide is for the 2027 cycle. It shows you how to build the three habits that matter, how topics group, and how to practise.

The format in brief

Physics is a chosen subject, usually paired with Mathematics and Chemistry for engineering, or with Biology and Chemistry for some health-related courses. Each chosen subject carries 40 questions in the computer-based UTME. Check the current brochure at jamb.gov.ng for the official format and time limit, and confirm that your course allows Physics in its combination using our JAMB subject combination guide.

There are no method marks. Only your final choice counts. That means a clean, short calculation matters more than an elegant one.

Habit one: formula plus units

Most lost marks in Physics come from using the wrong formula or the wrong unit. Build a one-page sheet with three columns: quantity, formula, SI unit. Keep it in your pocket and read it daily.

QuantityFormulaUnit
Final velocityv = u + atm/s
Wave speedv = fλm/s
Heat gainedQ = mcΔθJ
Ohm's lawV = IRV
Work doneW = FdJ
PressureP = F/APa

If your answer comes out in the wrong unit, you used the wrong formula. This simple check kills many wrong options in seconds.

Two original examples:

A car starts from rest and accelerates at 2 m/s² for 6 s. Its final speed is: A. 3 m/s B. 8 m/s C. 12 m/s D. 24 m/s. Start with v = u + at. With u = 0, v = 2 × 6 = 12 m/s, so C.

How much heat is needed to raise the temperature of 2 kg of water by 5 K? Take the specific heat capacity of water as 4,200 J/kg/K. Use Q = mcΔθ = 2 × 4,200 × 5 = 42,000 J.

Habit two: draw before you calculate

A sketch costs ten seconds and often saves two minutes. Draw the circuit, mark the forces, label the ray. In problems with several resistors, redraw the combination.

Two resistors of 4 Ω and 12 Ω are connected in parallel. Their combined resistance is: use 1/R = 1/4 + 1/12 = 3/12 + 1/12 = 4/12, so R = 3 Ω. The answer must be smaller than the smallest resistor in a parallel arrangement, which is a quick sense-check: 3 Ω is less than 4 Ω, so the working is sensible.

In mechanics, always draw a force diagram. In optics, draw at least the principal axis and the image. Many students lose marks by guessing the direction of a force when a three-line sketch would show it.

Habit three: read the graph, not the story

Graph questions are common because they test understanding rather than recall. A few rules:

  • On a velocity-time graph, the slope is acceleration and the area under the curve is the distance travelled.
  • On a distance-time graph, the slope is speed.
  • A flat line on a velocity-time graph means constant velocity, not rest, unless the line sits on zero.
  • Check the axis labels and units before reading any value.

If the question gives a table instead, plot it mentally: is the relationship a straight line through the origin (direct proportion), a curve, or a decreasing trend?

How topics group

The syllabus areas listed on ExamPadi are: Mechanics, Heat Energy, Waves and Optics, Electricity and Magnetism, Modern Physics, Atomic and Nuclear Physics, Electromagnetic Induction, Sound Waves, Electronics, and Vectors and Scalars. A practical grouping for revision:

  1. Core calculations: Mechanics, Vectors and Scalars, Heat Energy. Start here because many other topics use them.
  2. Electrical block: Electricity and Magnetism, Electromagnetic Induction, Electronics. Learn circuit rules, then practise.
  3. Wave block: Waves and Optics, Sound Waves. Learn the properties of waves once and apply them to light and sound.
  4. Modern block: Modern Physics, Atomic and Nuclear Physics. Mostly definitions, so quick to revise in the last two weeks.

For a priority list, see JAMB Physics topics to focus on.

Three mistakes to avoid

  1. Mixing up mass and weight. Mass is in kilograms and does not change; weight is a force in newtons.
  2. Ignoring conversions. Centimetres to metres, minutes to seconds, grams to kilograms. Convert first, then substitute.
  3. Choosing by pattern. Four options often differ by a factor of 10 or 100. If the numbers look close, redo the arithmetic. On screen, make a rough estimate first and strike out any option that is far off in size or unit before you calculate precisely.

A study rhythm that works

Six weeks before the exam, aim for five Physics sessions a week, about 45 minutes each.

  • Sessions 1 and 2: learn one topic from the sheet and write short notes in your own words.
  • Session 3: 20 questions on that topic, untimed, with a mistake log.
  • Session 4: 20 mixed questions, timed at about a minute and a half each.
  • Session 5: redo the questions you got wrong earlier in the week, without looking at the answers.

In the last two weeks, take one full timed set of 40 Physics questions every second day and review every error. Use past questions properly: attempt, check, redo.

Practise where it counts

ExamPadi has free JAMB Physics practice with explanations and a timed CBT mode. Start with the 2025 JAMB Physics past questions and note which topic your first errors come from. If those are in Electricity or Mechanics, give that block an extra week.

No guide can promise a particular score. What you control is the habit: know the patterns, keep your formula sheet within reach, and practise on screen so the real computer-based test feels familiar. Tonight, pick one topic, write its formulas with units, and do ten questions.

Practise with real past questions and worked answers

Practise JAMB Physics free

Frequently asked questions

How many questions are in JAMB Physics?

Physics is one of your three chosen subjects, and each of those carries 40 questions in the UTME CBT. Confirm the current format on jamb.gov.ng.

Do I need to memorise all the formulas for JAMB Physics?

You should know the core formulas by heart, because under CBT conditions you will not have time to derive them. Learn each formula together with its units, which also helps you catch wrong answers.

Which Physics topics matter most?

In our study-priority judgement (not an official weighting), start with Mechanics, Electricity and Magnetism, Heat Energy, and Waves and Optics, because other topics lean on them. Modern Physics, Electronics and Atomic and Nuclear Physics are usually quicker to revise once those blocks are secure.

How do I get better at Physics calculations?

Write the formula, list the given values with units, then substitute. Practise daily with short sets and always check that your answer has sensible units and size.

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