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AI tutor for JEE Main — Physics, Chemistry and Mathematics with NTA-pattern mocks
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About JEE Main
JEE Main is the NTA's computer-based entrance test for NITs, IIITs and CFTIs, and the qualifying gate for JEE Advanced. It is held in two sessions each year, and the better of the two NTA scores is used — which means the January attempt is a real diagnostic, not a rehearsal. The paper rewards two things that ordinary board preparation does not build: speed on standard problem types, and precision on numerical-value questions where there are no options to eliminate. Most candidates lose marks not because a chapter is unknown but because a three-minute problem took seven minutes, or because a sign error in the last line turned a correct method into a zero. Jarvis treats JEE Main as a timed problem-solving discipline. Practice is chapter-wise and PYQ-shaped, every solution is written as ordered steps with the reasoning at each one, and every mock is timed and scored with the real +4/−1 rule (numerical-value questions carry no negative marking in the current pattern). The report tells you your accuracy, your average time per question by chapter, and where your marks are actually being lost. Coverage spans the full Class 11 and Class 12 NCERT-based syllabus in Physics, Chemistry and Mathematics, with extra drilling on the chapters that carry disproportionate weight — Coordinate Geometry, Calculus, Electrostatics, Current Electricity, Organic reaction mechanisms and Physical Chemistry numericals.
Subjects & topics covered
Mathematics
- Sets, relations and functions
- Complex numbers and quadratic equations
- Matrices and determinants
- Permutations, combinations and binomial theorem
- Sequences and series
- Limits, continuity, differentiability and applications
- Integral calculus and differential equations
- Coordinate geometry: straight lines, circles, conic sections
- Three-dimensional geometry and vectors
- Statistics and probability
Physics
- Kinematics and laws of motion
- Work, energy, power and rotational motion
- Gravitation and properties of solids and liquids
- Thermodynamics and kinetic theory of gases
- Oscillations and waves
- Electrostatics and current electricity
- Magnetic effects, EMI and alternating current
- Electromagnetic waves and optics
- Dual nature, atoms and nuclei, electronic devices
- Experimental skills
Chemistry
- Some basic concepts and states of matter
- Atomic structure and chemical bonding
- Thermodynamics and equilibrium
- Redox and electrochemistry
- Chemical kinetics and solutions
- Classification of elements and periodicity
- p-block, d- and f-block elements and coordination compounds
- Organic: GOC, hydrocarbons, halides, oxygen- and nitrogen-containing compounds
- Biomolecules and principles of practical chemistry
Everything you need to prepare for JEE Main
AI Tutor
Step-by-step, curriculum-aware explanations for every topic.
Past Papers
Authentic past papers with board-accurate solutions.
Mock Exams
Timed, exam-style mocks that mirror the real thing.
Mark Schemes
Marking that follows the official command words and rubric.
Study Planner
Personalised revision schedule counting down to your exam.
Flashcards
Smart spaced-repetition flashcards for every subject.
Exam structure
JEE Main Paper 1 (B.E./B.Tech) is a 3-hour computer-based test conducted by the NTA in two sessions per year. • Three subjects — Physics, Chemistry and Mathematics — of 25 questions each. • Each subject has 20 multiple-choice questions and 5 numerical-value questions. • Total marks: 300. • On-screen calculator is not provided; rough sheets are. • Scores are normalised across shifts, and the better of your two session NTA scores is used for ranking.
Grading & scoring
Marking is +4 for correct and −1 for incorrect on multiple-choice questions. Numerical-value questions in the current pattern carry +4 with no negative marking, which makes them free attempts worth never skipping. Ranks are published as NTA percentile scores normalised across shifts, and the JEE Advanced cut-off is drawn from that percentile. Because normalisation compares you against your own shift, consistency across full-length mocks is a better predictor than any single score. Jarvis reports each mock with subject-wise scores, negative-mark loss, average time per question by chapter and a percentile estimate, then re-queues the chapters where accuracy falls below target.
Exam strategy & time management
- 1Always attempt every numerical-value question — no negative marking makes them free marks.
- 2Set a per-question time budget (about 2 minutes) and abandon anything that overruns it; return only if time remains.
- 3Do a first pass answering only what you can finish in under 90 seconds, then a second pass on the rest.
- 4Drill PYQs chapter-wise before attempting full papers — pattern recognition is most of the speed gain.
- 5Keep Chemistry as your time bank: it is the fastest-scoring subject and should not take more than 45 minutes.
- 6Rewrite every wrong solution by hand from scratch, not by reading the answer.
- 7Treat the January session as a scored diagnostic and plan the April attempt from its chapter report.
Common mistakes to avoid
- ✕Skipping numerical-value questions despite them carrying no negative marking.
- ✕Spending 8+ minutes on a single Mathematics problem and losing four easier ones.
- ✕Learning theory without timed problem practice — JEE tests execution speed, not recognition.
- ✕Sign and unit errors in the final line turning correct method into zero.
- ✕Neglecting Inorganic Chemistry, which is the highest marks-per-minute section available.
- ✕Never sitting a full 3-hour mock, then losing focus in the third hour of the real paper.
What examiners look for
JEE Main is machine-marked: there are no method marks and no partial credit. The final value is the entire mark. High scorers typically win on selection — knowing which question to leave — rather than on solving more difficult problems.
A worked JEE Main question, step by step
JEE Main Mathematics: If the line y = mx + 1 is tangent to the parabola y² = 4x, find the value of m.
- 1Recall the tangency condition for y² = 4ax: the line y = mx + c is tangent when c = a/m.
- 2Here 4a = 4, so a = 1, and the given line has c = 1.
- 3Apply the condition: 1 = 1/m, therefore m = 1.
- 4Verify by substitution instead of trusting the formula: put y = mx + 1 into y² = 4x.
- 5(mx + 1)² = 4x → m²x² + (2m − 4)x + 1 = 0.
- 6Tangency means the discriminant is zero: (2m − 4)² − 4m² = 0 → −16m + 16 = 0 → m = 1. Both routes agree.
Answer: m = 1.
How the marks are awarded: MCQ: +4 for m = 1, −1 for any other option. The discriminant route is the safe method; the c = a/m shortcut is the 20-second route once memorised.
Ask Jarvis this question freeJEE Main FAQ
Does Jarvis generate JEE Main-pattern mock tests?
Yes — 3-hour, 75-question mocks with 20 MCQs and 5 numerical-value questions per subject, marked +4/−1 with no negative marking on numerical-value questions.
Are solutions shown step by step?
Yes. Every solution is written as ordered steps with the reasoning at each one, plus the faster exam-day route where a shortcut exists.
Can Jarvis do chapter-wise PYQ practice?
Yes — you can drill any chapter in previous-year style before moving to full-length papers, and Jarvis tracks accuracy and time per chapter.
Does Jarvis also cover JEE Advanced?
Yes. JEE Advanced is supported as a separate curriculum with multi-correct, matrix-match and paragraph-based question types and partial-marking rules.
How does Jarvis help with pacing?
Mocks record time per question and flag every question where you overran your budget, so you can see exactly where the paper was lost.
Is there a free way to try it?
Yes — start free with a 3-day Premium trial, no card required, and run real JEE-style questions immediately.
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