MediumWeightage: 3–5%~1 Q/paperUnit 6 of 20

Gravitation — JEE Main Physics Syllabus 2026

Complete NTA official syllabus for Gravitation in JEE Main Physics: 6 official topics,7 key formulas, weightage 3–5%, ~1 question(s) per paper, difficulty: Medium.

NTA Official Syllabus — 6 Topics
  1. 1Universal law of gravitation
  2. 2Acceleration due to gravity and its variation with altitude and depth
  3. 3Kepler's laws of planetary motion
  4. 4Gravitational potential energy, gravitational potential
  5. 5Escape velocity, orbital velocity
  6. 6Motion of a satellite, time period and energy of satellite
Key Formulas — 7 Formulas

Gravitation in JEE Main 2026 — Complete Overview

Gravitation is Unit 6 of the JEE Main Physics syllabus as prescribed by the National Testing Agency (NTA). It carries a weightage of 3–5% and typically contributes approximately 1 question(s) per paper. Classified as a Medium-difficulty chapter, Gravitation is a moderately challenging but highly scorable chapter. Students who prepare it systematically typically outperform 40–60% of their peers on these questions.

The official NTA syllabus for Gravitation comprises 6 topics: Universal law of gravitation, Acceleration due to gravity and its variation with altitude and depth, Kepler's laws of planetary motion, and 3 more topics. Every topic listed in the NTA syllabus is examinable in JEE Main — NTA does not restrict questions to specific sub-topics within a chapter. Your preparation must cover all 6 official topics comprehensively to avoid losing marks from any corner of this chapter.

Strategically, Gravitation contributes meaningfully to your JEE Main score. Even 1 question per paper is 4 marks — and in a competitive exam where 1 mark can shift your percentile by 0.5–1 points, no chapter is optional.

JEE Main Physics has 20 chapters in total. Gravitation is Unit 6, which means it builds on earlier foundational chapters and introduces concepts that appear in application form in later units. Conceptual gaps here compound into larger problems in advanced chapters.

In the JEE Main examination, the Physics section contains 25 questions: 20 Multiple Choice Questions (single correct answer, +4/–1 marking) and 5 Numerical Value Type questions (no negative marking, exact numeric answer). Questions from Gravitation can appear in either format. The NVT questions from this chapter often test a specific formula application or a precise calculation — making it even more critical to have all 7 key formulas memorised and practised in numerical contexts.

For JEE Main 2026 preparation, allocate time to Gravitation based on its difficulty and weightage. As a Medium-difficulty chapter, 2–3 weeks of systematic preparation is recommended: conceptual foundation, 60–80 PYQs, and at least 2 chapter-specific mock tests.

Topic-by-Topic Analysis — Gravitation (NTA JEE Main Syllabus)

A detailed breakdown of each official NTA topic within Gravitation — what NTA tests, how questions are framed, and how to master each sub-topic for JEE Main 2026.

1. Universal law of gravitation

Universal law of gravitation is an integral part of the Gravitation unit in JEE Main Physics. This sub-topic is explicitly listed in the NTA-prescribed syllabus, making it fully examinable in every JEE Main session. Questions on universal law of gravitation in JEE Main test a combination of conceptual understanding and numerical ability — consistent with NTA's philosophy of assessing applied knowledge rather than rote memorisation.

In the JEE Main examination, questions involving universal law of gravitation typically appear in three formats: (1) Direct formula application — testing whether students identify the correct formula and substitute values; (2) Conceptual MCQs — testing whether students understand the underlying principle and can eliminate wrong statements; (3) Multi-step problems — combining universal law of gravitation with other Gravitation topics or adjacent chapters. Students who have practised 15–20 PYQs specifically on universal law of gravitation will recognise the pattern immediately during the exam.

To master universal law of gravitation for JEE Main 2026: begin with the NCERT Physics textbook's treatment of this concept — NCERT is the primary reference NTA uses when setting questions. For Medium-difficulty chapters, NCERT combined with reference book exercises provides sufficient depth. Pay special attention to the conditions under which concepts related to universal law of gravitation are valid — NTA frequently frames trap questions where the standard approach fails due to a boundary condition or limiting case being violated.

2. Acceleration due to gravity and its variation with altitude and depth

Acceleration due to gravity and its variation with altitude and depth is an integral part of the Gravitation unit in JEE Main Physics. This sub-topic is explicitly listed in the NTA-prescribed syllabus, making it fully examinable in every JEE Main session. Questions on acceleration due to gravity and its variation with altitude and depth in JEE Main test a combination of conceptual understanding and numerical ability — consistent with NTA's philosophy of assessing applied knowledge rather than rote memorisation.

In the JEE Main examination, questions involving acceleration due to gravity and its variation with altitude and depth typically appear in three formats: (1) Direct formula application — testing whether students identify the correct formula and substitute values; (2) Conceptual MCQs — testing whether students understand the underlying principle and can eliminate wrong statements; (3) Multi-step problems — combining acceleration due to gravity and its variation with altitude and depth with other Gravitation topics or adjacent chapters. Students who have practised 15–20 PYQs specifically on acceleration due to gravity and its variation with altitude and depth will recognise the pattern immediately during the exam.

To master acceleration due to gravity and its variation with altitude and depth for JEE Main 2026: begin with the NCERT Physics textbook's treatment of this concept — NCERT is the primary reference NTA uses when setting questions. For Medium-difficulty chapters, NCERT combined with reference book exercises provides sufficient depth. Pay special attention to the conditions under which concepts related to acceleration due to gravity and its variation with altitude and depth are valid — NTA frequently frames trap questions where the standard approach fails due to a boundary condition or limiting case being violated.

3. Kepler's laws of planetary motion

Kepler's laws of planetary motion is an integral part of the Gravitation unit in JEE Main Physics. This sub-topic is explicitly listed in the NTA-prescribed syllabus, making it fully examinable in every JEE Main session. Questions on kepler's laws of planetary motion in JEE Main test a combination of conceptual understanding and numerical ability — consistent with NTA's philosophy of assessing applied knowledge rather than rote memorisation.

In the JEE Main examination, questions involving kepler's laws of planetary motion typically appear in three formats: (1) Direct formula application — testing whether students identify the correct formula and substitute values; (2) Conceptual MCQs — testing whether students understand the underlying principle and can eliminate wrong statements; (3) Multi-step problems — combining kepler's laws of planetary motion with other Gravitation topics or adjacent chapters. Students who have practised 15–20 PYQs specifically on kepler's laws of planetary motion will recognise the pattern immediately during the exam.

To master kepler's laws of planetary motion for JEE Main 2026: begin with the NCERT Physics textbook's treatment of this concept — NCERT is the primary reference NTA uses when setting questions. For Medium-difficulty chapters, NCERT combined with reference book exercises provides sufficient depth. Pay special attention to the conditions under which concepts related to kepler's laws of planetary motion are valid — NTA frequently frames trap questions where the standard approach fails due to a boundary condition or limiting case being violated.

4. Gravitational potential energy, gravitational potential

Gravitational potential energy, gravitational potential is an integral part of the Gravitation unit in JEE Main Physics. This sub-topic is explicitly listed in the NTA-prescribed syllabus, making it fully examinable in every JEE Main session. Questions on gravitational potential energy, gravitational potential in JEE Main test a combination of conceptual understanding and numerical ability — consistent with NTA's philosophy of assessing applied knowledge rather than rote memorisation.

In the JEE Main examination, questions involving gravitational potential energy, gravitational potential typically appear in three formats: (1) Direct formula application — testing whether students identify the correct formula and substitute values; (2) Conceptual MCQs — testing whether students understand the underlying principle and can eliminate wrong statements; (3) Multi-step problems — combining gravitational potential energy, gravitational potential with other Gravitation topics or adjacent chapters. Students who have practised 15–20 PYQs specifically on gravitational potential energy, gravitational potential will recognise the pattern immediately during the exam.

To master gravitational potential energy, gravitational potential for JEE Main 2026: begin with the NCERT Physics textbook's treatment of this concept — NCERT is the primary reference NTA uses when setting questions. For Medium-difficulty chapters, NCERT combined with reference book exercises provides sufficient depth. Pay special attention to the conditions under which concepts related to gravitational potential energy, gravitational potential are valid — NTA frequently frames trap questions where the standard approach fails due to a boundary condition or limiting case being violated.

5. Escape velocity, orbital velocity

Escape velocity, orbital velocity is an integral part of the Gravitation unit in JEE Main Physics. This sub-topic is explicitly listed in the NTA-prescribed syllabus, making it fully examinable in every JEE Main session. Questions on escape velocity, orbital velocity in JEE Main test a combination of conceptual understanding and numerical ability — consistent with NTA's philosophy of assessing applied knowledge rather than rote memorisation.

In the JEE Main examination, questions involving escape velocity, orbital velocity typically appear in three formats: (1) Direct formula application — testing whether students identify the correct formula and substitute values; (2) Conceptual MCQs — testing whether students understand the underlying principle and can eliminate wrong statements; (3) Multi-step problems — combining escape velocity, orbital velocity with other Gravitation topics or adjacent chapters. Students who have practised 15–20 PYQs specifically on escape velocity, orbital velocity will recognise the pattern immediately during the exam.

To master escape velocity, orbital velocity for JEE Main 2026: begin with the NCERT Physics textbook's treatment of this concept — NCERT is the primary reference NTA uses when setting questions. For Medium-difficulty chapters, NCERT combined with reference book exercises provides sufficient depth. Pay special attention to the conditions under which concepts related to escape velocity, orbital velocity are valid — NTA frequently frames trap questions where the standard approach fails due to a boundary condition or limiting case being violated.

6. Motion of a satellite, time period and energy of satellite

Motion of a satellite, time period and energy of satellite is an integral part of the Gravitation unit in JEE Main Physics. This sub-topic is explicitly listed in the NTA-prescribed syllabus, making it fully examinable in every JEE Main session. Questions on motion of a satellite, time period and energy of satellite in JEE Main test a combination of conceptual understanding and numerical ability — consistent with NTA's philosophy of assessing applied knowledge rather than rote memorisation.

In the JEE Main examination, questions involving motion of a satellite, time period and energy of satellite typically appear in three formats: (1) Direct formula application — testing whether students identify the correct formula and substitute values; (2) Conceptual MCQs — testing whether students understand the underlying principle and can eliminate wrong statements; (3) Multi-step problems — combining motion of a satellite, time period and energy of satellite with other Gravitation topics or adjacent chapters. Students who have practised 15–20 PYQs specifically on motion of a satellite, time period and energy of satellite will recognise the pattern immediately during the exam.

To master motion of a satellite, time period and energy of satellite for JEE Main 2026: begin with the NCERT Physics textbook's treatment of this concept — NCERT is the primary reference NTA uses when setting questions. For Medium-difficulty chapters, NCERT combined with reference book exercises provides sufficient depth. Pay special attention to the conditions under which concepts related to motion of a satellite, time period and energy of satellite are valid — NTA frequently frames trap questions where the standard approach fails due to a boundary condition or limiting case being violated.

Key Formulas for Gravitation — JEE Main 2026

These 7 formulas are the most frequently tested in JEE Main from Gravitation. Memorise each formula, understand what every symbol represents, and practise applying each one in 10+ different problem contexts.

Plain text: F = Gm₁m₂/r²

This formula from Gravitation is one of the 7 most-tested formulas in JEE Main Physics. Ensure you understand: (1) what each variable represents and its SI unit, (2) the conditions under which this formula applies, and (3) what happens at limiting cases. NTA regularly tests dimensionality and edge-case behaviour of formulas like this one.

Plain text: g at height h: g_h = g(R/R+h)²

This formula from Gravitation is one of the 7 most-tested formulas in JEE Main Physics. Ensure you understand: (1) what each variable represents and its SI unit, (2) the conditions under which this formula applies, and (3) what happens at limiting cases. NTA regularly tests dimensionality and edge-case behaviour of formulas like this one.

Plain text: g at depth d: g_d = g(1 - d/R)

This formula from Gravitation is one of the 7 most-tested formulas in JEE Main Physics. Ensure you understand: (1) what each variable represents and its SI unit, (2) the conditions under which this formula applies, and (3) what happens at limiting cases. NTA regularly tests dimensionality and edge-case behaviour of formulas like this one.

Plain text: Escape velocity: v_e = √(2gR) = 11.2 km/s (Earth)

This formula from Gravitation is one of the 7 most-tested formulas in JEE Main Physics. Ensure you understand: (1) what each variable represents and its SI unit, (2) the conditions under which this formula applies, and (3) what happens at limiting cases. NTA regularly tests dimensionality and edge-case behaviour of formulas like this one.

Plain text: Orbital velocity: v_o = √(GM/r)

This formula from Gravitation is one of the 7 most-tested formulas in JEE Main Physics. Ensure you understand: (1) what each variable represents and its SI unit, (2) the conditions under which this formula applies, and (3) what happens at limiting cases. NTA regularly tests dimensionality and edge-case behaviour of formulas like this one.

Plain text: Time period: T² ∝ r³ (Kepler's 3rd law)

This formula from Gravitation is one of the 7 most-tested formulas in JEE Main Physics. Ensure you understand: (1) what each variable represents and its SI unit, (2) the conditions under which this formula applies, and (3) what happens at limiting cases. NTA regularly tests dimensionality and edge-case behaviour of formulas like this one.

Plain text: Total energy of satellite: E = -GMm/2r

This formula from Gravitation is one of the 7 most-tested formulas in JEE Main Physics. Ensure you understand: (1) what each variable represents and its SI unit, (2) the conditions under which this formula applies, and (3) what happens at limiting cases. NTA regularly tests dimensionality and edge-case behaviour of formulas like this one.

Formula Mastery Strategy

For Gravitation, the most effective formula memorisation technique is active recall: write out all 7 formulas from memory every morning for 7 consecutive days. On Day 1, you may forget 2–3 formulas. By Day 7, you will recall all of them perfectly under exam pressure. This is far more effective than passively reading formula sheets. Pair this with solving 2–3 problems per formula daily to build application speed alongside recall.

JEE Main Analysis — Gravitation (2019–2025 Data)

3–5%
Marks Weightage
~1
Questions/Paper
Medium
Difficulty
6
Official Topics

Analysis of JEE Main papers from 2019 to 2025 shows that Gravitation has appeared consistently across all sessions (January and April) and all shifts (Shift 1 and Shift 2). With an average of 1 question(s) per paper, this chapter contributes 4 marks assuming perfect accuracy. Across both January and April sessions of JEE Main, a student appearing in all sessions could face 48 questions from Gravitation — reinforcing why complete chapter preparation is essential.

The question pattern for Gravitation has evolved across JEE Main sessions. Between 2019 and 2021, NTA asked predominantly formula-based questions that rewarded formula memorisation. From 2022 onwards, questions have shifted toward application-oriented problems — testing whether students can apply concepts in unfamiliar or combined scenarios. For JEE Main 2026, NTA is expected to continue this trend toward application-based questions, making conceptual clarity more important than ever.

The Medium difficulty classification for Gravitation means that approximately 40–60% of students answer questions from this chapter correctly. Mastering it gives you a significant advantage over roughly half your competition.

For JEE Main 2026, the recommended approach for Gravitation is to: first target 100% accuracy on the most-frequently tested sub-topics (Universal law of gravitation and Acceleration due to gravity and its variation with altitude and depth), then systematically work through the remaining4 topics. Use HenceProve's JEE Main mock test platform to access all available PYQs from this chapter, filter by year, and track your improvement over time.

Year-wise Question Pattern — Gravitation in JEE Main

YearJan SessionApr SessionMost Tested Sub-topic
202511Universal law of gravitation
202411Acceleration due to gravity and its variation with altitude and depth
202311Kepler's laws of planetary motion
202211Gravitational potential energy, gravitational potential
202111Escape velocity, orbital velocity
202011Motion of a satellite, time period and energy of satellite
201911Universal law of gravitation

The table above shows the approximate question count from Gravitation across JEE Main sessions from 2019 to 2025. The average has remained consistent at ~1 question(s) per paper, though individual sessions may vary by 1 question. The “Most Tested Sub-topic” column identifies which official NTA topics have appeared most frequently — these deserve proportionally more preparation time.

An important pattern from historical JEE Main data: topics that appeared less frequently in 2023–2024 often appear more prominently in 2025–2026 papers. NTA rotates sub-topic emphasis deliberately to prevent students from predicting questions based solely on the previous year's paper. This confirms that comprehensive preparation of all 6official topics is essential — you cannot safely skip any NTA-listed topic within Gravitation.

5 Common Mistakes in Gravitation — JEE Main 2026

01
Skipping NCERT for Gravitation

Many students skip NCERT Physics and jump straight to reference books for Gravitation. This is a critical error. NTA frames JEE Main questions based on NCERT-level understanding. Students who haven't read NCERT carefully often fall for plausible-but-incorrect MCQ options that exploit subtle conceptual gaps. Read NCERT first — completely, not just highlighted portions — then move to reference books and PYQ practice.

02
Memorising formulas without understanding derivations

Memorising the 7 key formulas from Gravitation is necessary but insufficient. NTA frequently asks "under what conditions does this formula apply?" and tests limiting cases and sign conventions. Students who know the derivation of each formula can answer these questions correctly without having memorised the specific edge case. Spend 10–15 minutes understanding each formula's derivation — this investment pays off for the entire exam.

03
Not practising Numerical Value Type (NVT) questions

JEE Main includes 5 NVT questions per subject, and Gravitation can contribute to these. NVT questions have no negative marking — making them high-value scoring opportunities. However, the exact numerical precision required differs from MCQ practice. Students who only practise MCQ formats often make unit conversion or rounding errors in NVT questions. Practise NVT questions from Gravitation separately to develop the right approach.

04
Neglecting unit conversions and sign conventions

A significant fraction of wrong answers in Gravitation come from unit conversion errors and sign convention mistakes — not from conceptual misunderstanding. Students who understand the physics perfectly still lose marks because they didn't convert units or misapplied directional signs. Before solving any numerical from Gravitation, establish a clear coordinate system, list all given quantities with units, and convert everything to SI units before substituting into formulas.

05
Not solving PYQs from Gravitation

Previous Year Questions are the most reliable indicator of JEE Main exam format. Students who solve all available PYQs from Gravitation develop familiarity with NTA's exact question style, making them faster and more accurate on exam day. Solve PYQs from 2019–2025 on HenceProve's chapter-wise test platform. When reviewing: focus not just on getting the right answer but on understanding why each wrong option is wrong — this builds genuine exam intuition that formula memorisation alone cannot provide.

How to Prepare Gravitation for JEE Main 2026 — 4-Step Strategy

01
Build Conceptual Foundation (Week 1)

Start with NCERT Physics — read the Gravitation chapter completely. Not skimming, not just solved examples — every paragraph, every theorem, every statement. NCERT's language is designed to reflect exactly what NTA expects students to know. Take notes on definitions, important principles, and the conditions under which each concept applies. Pay particular attention to: Universal law of gravitation; Acceleration due to gravity and its variation with altitude and depth. After completing NCERT, read the corresponding chapter in your reference book (HC Verma / DC Pandey for Physics, O.P. Tandon for Chemistry, Arihant / Cengage for Mathematics) to reinforce your conceptual foundation with additional solved examples.

02
Master All Formulas (Week 1–2)

Create a dedicated formula sheet for Gravitation with all 7 key formulas. For each formula: (a) Write it in standard form, (b) Define every symbol with its SI unit, (c) Understand the derivation conceptually, (d) Write the conditions for the formula's validity, (e) Write one example problem using it. Test yourself daily by covering the formula sheet and writing all formulas from memory. By the end of Week 2, aim for instant recall of all 7 formulas without hesitation. Combine recall practice with 2–3 problems per formula per day to build application speed alongside memorisation.

03
Systematic PYQ Practice (Week 2–3)

With conceptual foundation and formula mastery established, solve Previous Year Questions from Gravitation. On HenceProve, access all available PYQs from this chapter across all JEE Main sessions (2019–2025). Target 60–80 PYQs at minimum. For each wrong answer: (a) Identify the exact error — conceptual, formula, or arithmetic, (b) Review the relevant concept or formula, (c) Solve 2–3 similar problems to reinforce the correct approach. Track your accuracy by sub-topic within Gravitation to identify which of the 6 official topics needs more attention. Achieve 90%+ PYQ accuracy before moving to mock tests.

04
Mock Tests + Revision Cycles (Week 3 onwards)

Take chapter-specific mock tests on Gravitation using HenceProve's chapter-wise test feature. A 25–30 minute timed test reveals weaknesses that PYQ practice alone doesn't expose — particularly time management and exam-condition accuracy. After each mock test: (a) Analyse every wrong or uncertain answer in detail, (b) Update your formula sheet with any gaps discovered, (c) Re-read relevant NCERT sections for topics where mistakes persist. Repeat this mock test + revision cycle every 2 weeks until you consistently score 85%+ accuracy. In the final 4 weeks before JEE Main, revise your Gravitation formula sheet and notes every 3–4 days to maintain retention under heavy overall study load.

Best Books for Gravitation — JEE Main 2026

Choosing the right study material for Gravitation is critical for JEE Main preparation. Here are the most effective books for JEE Main Physics, with specific guidance on how to use each.

1
Concepts of Physics (Vol. 1 & 2)
by H.C. Verma

Gold standard for JEE Physics. Extremely clear conceptual explanations with solved examples that mirror NTA question types. Read this chapter fully before any reference book.

For Gravitation: Read this chapter first for conceptual clarity and worked examples before attempting PYQs.

2
DC Pandey Physics Series
by DC Pandey

Excellent chapter-wise PYQ compilation and graded exercises. Perfect for JEE Main-level practice with increasing difficulty levels per chapter.

For Gravitation: Use the chapter exercises to build problem-solving speed and accuracy on diverse question types.

3
Problems in General Physics
by I.E. Irodov

For Hard chapters only — builds deep physical intuition beyond JEE Main standard. Use selectively for chapters where NTA asks application-heavy questions.

For Gravitation: Reference for advanced problem types that NTA occasionally uses for Hard-level questions in this chapter.

4
Fundamentals of Physics
by Halliday, Resnick & Walker

University-level conceptual reference. Useful when NCERT explanation is insufficient for a particular concept within this chapter.

For Gravitation: Quick revision reference for formulas and key theorems before the exam.

Book Priority for JEE Main

For JEE Main (not JEE Advanced), NCERT is the foundation. Do not skip NCERT in favour of reference books. For Gravitation, follow this order: NCERT → PYQ practice on HenceProve → Reference book chapter → Mock tests. Do not attempt to read a reference book cover-to-cover — use only the Gravitation chapter until you have exhausted NCERT and PYQs.

Myths vs Facts — Gravitation in JEE Main

Clearing up common misconceptions helps you prepare more efficiently and avoid wasting preparation time on wrong strategies.

MYTH
Gravitation requires knowledge beyond Class 11–12 NCERT
FACT
All JEE Main questions from Gravitation are solvable using standard Class 11–12 concepts. No advanced university textbook or coaching material is needed. Deep NCERT reading + PYQ practice + chapter mock tests is sufficient preparation.
MYTH
Medium chapters like Gravitation should be skipped to save time
FACT
Gravitation contributes 3–5% weightage to JEE Main. Medium chapters are medium for everyone — systematic preparation converts them into reliable scoring opportunities.
MYTH
Solving 200+ questions from Gravitation is always better than understanding concepts
FACT
Quality of analysis beats quantity. Solving 200 questions with poor conceptual understanding produces slower improvement than solving 60 questions with deep error analysis. Understanding why each wrong option is wrong in JEE Main PYQs builds exam intuition faster than brute-force practice.
MYTH
Not all 6 official NTA topics in Gravitation appear in JEE Main
FACT
Historical JEE Main data (2019–2025) shows that all 6 NTA-listed topics for Gravitation have appeared in at least one JEE Main session. NTA has the right to test any listed topic. Selectively skipping official topics is a high-risk strategy that frequently results in unexpected mark losses.

Frequently Asked Questions — Gravitation JEE Main 2026

What are the most tested topics in Gravitation for JEE Main?
Variation of g with altitude and depth, satellite energy (KE, PE, Total), Kepler's laws (especially T² ∝ r³ problems), and escape velocity are the most tested. Gravitational potential (negative sign, well concept) is also important.
What is escape velocity and what is its value for Earth?
Escape velocity is the minimum speed needed to escape Earth's gravitational pull without any further propulsion. v_e = √(2gR) ≈ 11.2 km/s for Earth. It is √2 times the orbital velocity at the surface.
What is the marks weightage of Gravitation in JEE Main 2026?
Gravitation carries a weightage of 3–5% in JEE Main Physics. On average, approximately 1 question(s) appear per paper, contributing 4 marks to the total score. With 300 total marks in JEE Main, every chapter's contribution matters — and Gravitation is a notable chapter that cannot be skipped.
How many official NTA topics are in Gravitation for JEE Main?
The official NTA JEE Main syllabus lists 6 topics for Gravitation: Universal law of gravitation; Acceleration due to gravity and its variation with altitude and depth; Kepler's laws of planetary motion; Gravitational potential energy, gravitational potential; Escape velocity, orbital velocity; Motion of a satellite, time period and energy of satellite. All these topics are examinable — NTA does not restrict questions to a subset. Students must prepare all 6 topics comprehensively to ensure they do not lose marks from any sub-topic.
Is Gravitation from Class 11 or Class 12?
Gravitation is a Class 11 Physics chapter. JEE Main includes both Class 11 and Class 12 topics, and NTA regularly tests Class 11 chapters. Being Unit 6 of the NTA syllabus, Gravitation receives its full weightage in every JEE Main paper.
How long does it take to prepare Gravitation for JEE Main?
For a Medium-difficulty chapter like Gravitation: 2–3 weeks. Build conceptual foundation via NCERT and reference book (1 week), practise formulas and attempt 60–80 PYQs (1 week), take mock tests and revise (3–4 days).
Which sub-topic of Gravitation is most important for JEE Main?
Based on JEE Main papers from 2019–2025, the most frequently tested sub-topics in Gravitation are: Universal law of gravitation, Acceleration due to gravity and its variation with altitude and depth, Kepler's laws of planetary motion. However, NTA deliberately rotates emphasis between sessions and years. All 6 official topics have appeared in JEE Main at some point. Focus extra time on the most-tested topics, but prepare all of them.
Can I score full marks from Gravitation in JEE Main?
Yes — 100% accuracy from Gravitation is a realistic goal with systematic preparation. The four-step approach: (1) Read NCERT Physics chapter for Gravitation fully. (2) Memorise all 7 key formulas and understand each one's derivation. (3) Solve 60–80 PYQs from this chapter on HenceProve. (4) Take 2–3 chapter-specific mock tests and review every wrong answer. Students who follow this approach consistently achieve 90%+ accuracy from this chapter in the actual JEE Main exam.

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