The role of Physics in NEET
Physics has 45 questions worth 180 marks in NEET UG, the same weight as Chemistry. It differs from Biology and Chemistry in how scores are distributed: many candidates in a good range score similarly in Biology, but their Physics scores spread widely, so Physics tends to decide the final position among candidates who are otherwise close. It is also the section where fear costs marks: a candidate who has mentally written off Physics skips questions they could have solved.
The encouraging fact is that NEET Physics is more direct than the Physics in some other entrance exams. Most questions are one- or two-step applications of a standard idea. What makes it hard is the time: about a minute for each question, with a calculation in many of them.
Chapters worth the most attention
| Area | Topics | Nature of questions |
|---|---|---|
| Mechanics | Kinematics, laws of motion, work-energy-power, rotational motion, gravitation, properties of matter | Formula application; many numerical |
| Heat and thermodynamics | Kinetic theory, laws of thermodynamics, heat transfer | Conceptual and numerical |
| Oscillations and waves | SHM, wave motion, sound | Formula-based |
| Electricity and magnetism | Electrostatics, current electricity, magnetic effects, electromagnetic induction, AC | Numerical; circuits |
| Optics | Ray optics, wave optics | Formula and diagram-based |
| Modern physics | Dual nature, atoms, nuclei, semiconductors | Short formula and concept questions |
The official list is the NTA syllabus for your exam year. Mechanics and electricity together account for a large share of questions in most papers, which makes them the first priority for repair.
What NEET Physics questions look like
A one-formula numerical. A body starts from rest and accelerates uniformly at 2 m/s². What is its speed after covering 100 m? From v² = u² + 2as, v² = 0 + 2 × 2 × 100 = 400, so v = 20 m/s.
A projectile question. A ball is thrown with speed 20 m/s at 30° to the horizontal. Taking g = 10 m/s², find the maximum height. H = u² sin²θ ÷ 2g = 400 × 0.25 ÷ 20 = 5 m.
A circuit question. Two resistors of 6 Ω and 3 Ω are connected in parallel. What is the equivalent resistance? (6 × 3) ÷ (6 + 3) = 2 Ω.
A modern physics question. A sample of 80 g of a radioactive substance has a half-life of 10 days. How much remains after 30 days? Three half-lives have passed, so 80 ÷ 2³ = 10 g.
A conceptual question. An object is placed at 2f from a convex lens of focal length f. Where is the image and how large? At 2f on the other side, real, inverted and the same size as the object. Many questions combine such standard results with a small twist.
What these examples share is that each is solved by naming the right relation quickly. The skill NEET Physics trains is not deep derivation but fast recognition and clean arithmetic.
A repair routine for weak chapters
- Pick the chapter from your mock results: the one with the most lost marks.
- Re-read the formula page and the key derivation; write the formulas on a card.
- Solve ten problems untimed, writing each step and the units.
- Solve ten problems timed, about 75 to 90 seconds each.
- Retest after a week with a chapter test and compare accuracy.
Separate concept errors from calculation errors. Concept errors send you back to step 2; calculation errors need estimation and unit checks. If most of your errors are calculation errors, simple changes (writing units, estimating the order of magnitude, slowing down by ten seconds) can recover many marks quickly. For arithmetic drills, see mental maths techniques.
Time management for the 45 questions
| Stage | Time | What to do |
|---|---|---|
| First pass | About 40 minutes | Answer questions where the formula is clear; mark long calculations |
| Second pass | About 12 minutes | Return to the marked ones; choose those where you can see the route |
| Check | About 3 minutes | Verify arithmetic on answered questions |
The usual mistake is to start each Physics problem and be reluctant to leave it. Set a hard limit of two minutes for a question on the first pass: if you cannot see the route by then, mark it. See how to pick which questions to skip.
Negative marking in Physics
A numerical answer that matches an option is not necessarily correct, because options are built from common errors. If your answer matches an option exactly, double-check the one step where a typical error would produce a different option. If your answer matches no option, you have probably made an arithmetic slip, and the right action is to recheck, not to guess the nearest option. For conceptual questions, elimination often works well. Track the net marks from Physics guesses separately; many candidates guess profitably in conceptual questions and unprofitably in numerical ones.
How to practise: a progression
- Chapter tests (15 to 20 questions): twice per chapter, a week apart.
- Mixed Physics sets (25 questions): to practise recognising the chapter from the question.
- Full Physics blocks (45 questions): timed at about 50 to 55 minutes; weekly in the middle phase.
- Full papers: weekly in the last months, so you see Physics at its position in the paper (often when you are tired).
Analysing your Physics result
| Pattern | Probable cause | Action |
|---|---|---|
| Many blanks | Fear or missing formulas | Formula card; attempt every question's first step |
| Right formula, wrong answer | Calculation or units | Write units; estimate; slow slightly |
| Errors clustered in one chapter | Concept gap | Repair routine for that chapter |
| Time overrun in Physics | Long calculations early | Two-minute cap in the first pass; return later |
| Accuracy dips in the last ten questions | Fatigue | Full papers on schedule; practise Physics after Biology and Chemistry |
Common mistakes in Physics preparation
- Reading theory for hours without solving problems.
- Practising untimed for months and then being surprised by the clock.
- Not writing units, which hides errors.
- Avoiding the chapters one dislikes, which are exactly the ones costing marks.
- Reviewing a wrong answer by reading the solution instead of redoing the problem.
Related pages
Return to the NEET hub and the exam pattern. Other subjects: Biology and Chemistry. For a worked review, read how to use mock tests for NEET. Physics tests published by institutes appear below.
Note: the Physics structure above (45 questions, 180 marks) reflects NEET UG 2026; confirm in the NTA bulletin for your exam year.