NEET Physics: Gravitation — MCQ Test 1

Q6. Which property of gravitational force allows us to define a potential energy?

Q7. What does the inverse-square nature of gravitational force imply about its range?

Q8. What is the escape speed from a planet with mass \( 2.7 \times 10^{24} \, \text{kg} \) and radius \( 4.5 \times 10^6 \, \text{m} \)? (\( G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

Q9. A satellite orbits a planet at \( 7 \times 10^7 \, \text{m} \) from its center with a period of 18 hours. What is the planet’s mass? (\( G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

Q10. A body is launched from Earth at \( 14.5 \, \text{km/s} \). What is its speed at infinity? (Escape speed = \( 11.2 \, \text{km/s} \))

Q11. Four masses of \( 2 \, \text{kg} \) each are at the vertices of a square with side \( 4 \, \text{m} \). What is the net force on one mass? (\( G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

Q12. A projectile is launched at \( 6 \, \text{km/s} \) from Earth’s surface. What is its maximum distance from the center? (Escape speed = \( 11.2 \, \text{km/s}, R_E = 6.4 \times 10^6 \, \text{m} \))

Q13. A body experiences \( g = 7.35 \, \text{m/s}^2 \) at a certain height above Earth. What is the height? (\( g_0 = 9.8 \, \text{m/s}^2, R_E = 6.4 \times 10^6 \, \text{m} \))

Q14. A planet orbits the Sun with a period of 3 years. If Earth’s orbital radius is \( 1.5 \times 10^{11} \, \text{m} \), what is its semi-major axis?

Q15. Which of the following statements is incorrect about gravitational force?

NEET Physics — Gravitation

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Which of the following statements is correct about the gravitational force between two masses?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Gravitation. It contains 15 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Following, Statements, Gravitational, Potential, Satellite, and Property.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Which of the following statements is correct about the gravitational force between two masses?

  • A. It is always attractive
  • B. It can be repulsive
  • C. It is zero at all distances
  • D. It increases with distance

Q2. Two masses \( 8 \, \text{kg} \) and \( 16 \, \text{kg} \) are \( 16 \, \text{m} \) apart. What is the gravitational potential at a point \( 7 \, \text{m} \) from the \( 8 \, \text{kg} \) mass? (\( G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

  • A. -1.9 × 10⁻¹⁰ J/kg
  • B. -2.0 × 10⁻¹⁰ J/kg
  • C. -2.1 × 10⁻¹⁰ J/kg
  • D. -2.2 × 10⁻¹⁰ J/kg

Q3. What is the kinetic energy of a \( 700 \, \text{kg} \) satellite at \( 9 R_E \) from Earth’s center? (\( M_E = 6 \times 10^{24} \, \text{kg}, R_E = 6.4 \times 10^6 \, \text{m}, G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

  • A. 2.3 × 10⁹ J
  • B. 2.4 × 10⁹ J
  • C. 2.5 × 10⁹ J
  • D. 2.6 × 10⁹ J

Q4. Two masses \( 6 \, \text{kg} \) and \( 12 \, \text{kg} \) are \( 12 \, \text{m} \) apart. What is the gravitational potential at a point \( 5 \, \text{m} \) from the \( 6 \, \text{kg} \) mass? (\( G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

  • A. -1.9 × 10⁻¹⁰ J/kg
  • B. -2.0 × 10⁻¹⁰ J/kg
  • C. -2.1 × 10⁻¹⁰ J/kg
  • D. -2.2 × 10⁻¹⁰ J/kg

Q5. A satellite’s period near Earth’s surface is 88 minutes. What is its period at \( h = 4 R_E \)? (\( R_E = 6.4 \times 10^6 \, \text{m} \))

  • A. 960 min
  • B. 970 min
  • C. 980 min
  • D. 990 min

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