Gravitation
CBSE · Class 11 · Physics
Step-by-step guide to study Gravitation in CBSE Class 11 Physics. Topics to cover, practice strategy, and time allocation.
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Study Plan
Learn the Theory
Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.
Practice Problems
Solve textbook exercises and additional practice questions. There are 155 questions available for this chapter.
Revise & Test
Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding. Mark weak areas for re-revision.
Spaced Revision
Revisit Gravitation after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.
What to Focus On
- Ptolemy's planetary model was geocentric.
- Aryabhatta mentioned a heliocentric model.
- Copernicus proposed a definitive heliocentric model.
- Law of orbits is Kepler's first law.
- Law of areas is Kepler's second law.
- Law of periods is Kepler's third law.
- Gravitational force varies as product of masses.
- Gravitational force varies inversely as square of separation.
- The force is attractive.
Common Mistakes to Avoid
Gravity becomes weaker only because the object is far away, so the same formula can be used with the same radius everywhere.
Weightlessness in orbit means gravity is almost zero there.
Linear momentum is conserved in the motion of a planet or satellite around Earth.
Memory Tips
Newton's universal law of gravitation
Kepler's first law of orbits
Kepler's second law of areas
Kepler's third law
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Gravitation
Practice Quiz
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Important Questions
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Revision Notes
Key points for last-minute revision
Formula Sheet
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Chapter Summary
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Concept Maps
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Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
NCERT Solutions
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Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for CBSE Class 11 Physics.