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Chapter 13 of 28
Study Plan

GravitationStudy Plan

IISER Aptitude Test · Physics

Step-by-step Gravitation study plan for IISER Aptitude Test Physics 2026 — structured month-wise approach to mastering this chapter.

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An illustration showing a planet orbiting the Sun in an elliptical path, with the Sun located at one of the foci of the ellipse. Labels indicate the Sun, the planet, and the elliptical orbit.
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How to Study Gravitation

A structured approach to studying Gravitation for IISER Aptitude Test Physics.

Study Plan for Gravitation

1

Day 1–2: Learn the Theory

Study the chapter thoroughly. Note down definitions, formulas, and key concepts.

2

Day 3: Practice Problems

Solve practice questions and previous year IISER Aptitude Test problems. There are 234 questions available for this chapter.

3

Day 4: Revise & Test

Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding.

What to Focus On

  • Copernicus proposed the heliocentric model (Sun at center)
  • Tycho Brahe provided accurate observational data
  • Kepler formulated three laws of planetary motion

  • Orbits are elliptical, not circular
  • Planets move faster when closer to the Sun
  • Angular momentum is conserved in planetary motion

  • Force is proportional to product of masses
  • Force is inversely proportional to square of distance
  • G is universal constant = 6.67 × 10⁻¹¹ N⋅m²/kg²

Common Mistakes to Avoid

The value of acceleration due to gravity (g) is always 9.8 m/s² everywhere and for all problems

Gravitational force becomes zero at the center of Earth

Orbital velocity increases with height above Earth's surface

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Frequently Asked Questions

What topics are covered in Gravitation for IISER Aptitude Test?
Gravitation is an important chapter in IISER Aptitude Test Physics. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Kepler's Laws of Planetary Motion, Newton's Universal Law of Gravitation, Acceleration due to Gravity and its Variations, Gravitational Potential Energy.
How important is Gravitation for IISER Aptitude Test?
Gravitation is a frequently tested chapter in IISER Aptitude Test Physics. Questions from this chapter appear regularly in previous year papers. There are 234 practice questions available for this chapter.
How to prepare Gravitation for IISER Aptitude Test?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.

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Get the full Gravitation chapter — for free.

Practice questions, revision notes, formula sheet and AI doubt-solver for IISER Aptitude Test Physics.