Top Gravitation Questions for NEET
The chapter Gravitation is one of the most reliable scoring areas in NEET Physics. Every year, at least 1–2 direct questions are asked from this topic, often based on standard formulas and conceptual clarity. This article on Top 5 Gravitation Questions is designed to help you master the most repeated PYQs, strengthen your understanding of core concepts, and build confidence for the exam.
The Top 5 Gravitation Questions focus on essential ideas such as Newton’s law of gravitation, acceleration due to gravity, potential energy, escape velocity, and orbital motion. If you prepare these properly, this chapter becomes one of the easiest to score.
Importance of Gravitation for NEET
Before solving the Top 5 Gravitation Questions, it is important to understand that most NEET questions from this chapter are formula-based but require conceptual clarity. Students often make mistakes in sign conventions, units, or relations between different quantities.
Practicing the Top 5 Gravitation Questions ensures that you are familiar with all common patterns asked in previous years.
Top 5 Gravitation Questions (With Detailed Concepts)
Question 1: Newton’s Law of Gravitation
Two masses of 2 kg and 3 kg are separated by a distance of 1 m. Find the gravitational force between them. (G = 6.67 × 10⁻¹¹)
This is one of the most fundamental problems in the Top 5 Gravitation Questions.
F=Gr2m1m2
F = 6.67 × 10⁻¹¹ × (2 × 3) / 1² = 4 × 10⁻¹⁰ N (approx).
This question tests direct formula application and unit handling.
Question 2: Acceleration Due to Gravity
Find the value of acceleration due to gravity on Earth’s surface given radius R and mass M.
This is a very common theoretical concept in the Top 5 Gravitation Questions.
g=R2GM
This formula is derived from Newton’s law and must be remembered for NEET.
Question 3: Escape Velocity
Find escape velocity from Earth’s surface (g = 10 m/s², R = 6400 km).
This is one of the most repeated numericals in the Top 5 Gravitation Questions.
ve=2gR
vₑ = √(2 × 10 × 6.4 × 10⁶) ≈ 11.2 km/s.
Question 4: Gravitational Potential Energy
Find the gravitational potential energy of a mass m at distance r from Earth.
This is an important conceptual question in the Top 5 Gravitation Questions.
U=−rGMm
The negative sign indicates that gravitational force is attractive.
Question 5: Orbital Velocity
Find the orbital velocity of a satellite near Earth’s surface.
This is a high-frequency concept in the Top 5 Gravitation Questions.
vo=RGM
This formula is essential for solving satellite motion problems.
Concept Summary for Quick Revision
The Top 5 Gravitation Questions cover all major topics required for NEET:
Newton’s law of gravitation, acceleration due to gravity, escape velocity, gravitational potential energy, and orbital velocity. Mastering these ensures you can solve most exam-level questions easily.
Additional Practice Questions (Concept-Based Rapid Revision with Solutions)
To strengthen your understanding of the Top 5 Gravitation Questions, here are additional solved problems.
Question 1
Find gravitational force between two masses of 1 kg each separated by 1 m.
F = G × (1 × 1) / 1² = 6.67 × 10⁻¹¹ N
Answer: 6.67 × 10⁻¹¹ N
Question 2
Find g on a planet where mass is same as Earth but radius is half.
g ∝ 1/R² → becomes 4g
Answer: 4g
Question 3
Find escape velocity if g = 10 m/s² and R = 1 m.
vₑ = √(2 × 10 × 1) = √20 ≈ 4.47 m/s
Answer: 4.47 m/s
Question 4
Find potential energy at infinity.
U = 0
Answer: 0
Question 5
Find orbital velocity relation with g and R.
v = √(gR)
Answer: √(gR)
Question 6
If distance doubles, what happens to gravitational force?
F ∝ 1/r² → becomes 1/4
Answer: One-fourth
Question 7
A satellite moves in circular orbit. What provides centripetal force?
Gravitational force
Answer: Gravity
Question 8
Find g at height equal to Earth’s radius.
g’ = g/4
Answer: g/4
Question 9
Escape velocity depends on mass or not?
Independent of mass
Answer: Independent of mass
Question 10
If mass of Earth doubles, what happens to g?
g ∝ M → becomes 2g
Answer: Doubles
Preparation Strategy Using Top 5 Gravitation Questions
To master the Top 5 Gravitation Questions, focus on understanding relationships between formulas rather than memorizing them separately. Practice numerical problems regularly and revise key formulas daily.
Repeated practice of the Top 5 Gravitation Questions ensures better retention and faster problem-solving during the exam.
Common Mistakes to Avoid
While solving the Top 5 Gravitation Questions, students often forget unit conversions, misuse formulas, or ignore negative signs in potential energy. Avoiding these mistakes can significantly improve your score.
Final Thoughts
The Top 5 Gravitation Questions presented here are among the most repeated and important problems for NEET. If you master these concepts and practice regularly, this chapter can become one of your strongest areas.
FAQ Section
How many questions come from Gravitation in NEET?
Usually 1–2 questions every year.
Is Gravitation easy for NEET?
Yes, if formulas and concepts are clear.
What is most important in Gravitation?
Formulas and their applications.