NEET Physics: Gravitation — MCQ Test 12

Q6. Four \( 4 \, \text{kg} \) masses form a square of side \( 5 \, \text{m} \). What is the potential energy of the system? (\( G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

Q7. What is the gravitational potential due to Earth at \( 1.92 \times 10^7 \, \text{m} \) from its center? (\( M_E = 6 \times 10^{24} \, \text{kg}, G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

Q8. What does the heliocentric model, supported by Kepler’s laws, improve over the geocentric model?

Q9. Four \( 5 \, \text{kg} \) masses form a square of side \( 6 \, \text{m} \). What is the potential energy of the system? (\( G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

Q10. A projectile launched at \( 10 \, \text{km/s} \) from Earth reaches a maximum distance of? (Escape speed = \( 11.2 \, \text{km/s}, R_E = 6.4 \times 10^6 \, \text{m} \))

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What does Kepler’s third law imply about the relationship between orbital period and distance?

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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 10 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 Relationship, Distance, Satellite, Gravitational, Spherical, and Potential.

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. What does Kepler’s third law imply about the relationship between orbital period and distance?

  • A. \( T \propto a \)
  • B. \( T^2 \propto a^3 \)
  • C. \( T^2 \propto a^2 \)
  • D. \( T \propto a^2 \)

Q2. A moon orbits a planet with a period of 9 days and radius \( 6 \times 10^8 \, \text{m} \). What is the planet’s mass? (\( G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2, 1 \, \text{day} = 86400 \, \text{s} \))

  • A. 2.0 × 10²⁵ kg
  • B. 2.1 × 10²⁵ kg
  • C. 2.2 × 10²⁵ kg
  • D. 2.3 × 10²⁵ kg

Q3. A satellite orbits Earth at \( 7 R_E \) from the center. What is its orbital speed? (\( g = 9.8 \, \text{m/s}^2, R_E = 6.4 \times 10^6 \, \text{m} \))

  • A. 2.8 × 10³ m/s
  • B. 2.9 × 10³ m/s
  • C. 3.0 × 10³ m/s
  • D. 3.1 × 10³ m/s

Q4. A planet orbits the Sun with a period of 7 years. If Earth’s orbital radius is \( 1.5 \times 10^{11} \, \text{m} \), what is its semi-major axis?

  • A. 5.3 × 10¹¹ m
  • B. 5.4 × 10¹¹ m
  • C. 5.5 × 10¹¹ m
  • D. 5.6 × 10¹¹ m

Q5. What is the gravitational force on a \( 12 \, \text{kg} \) mass \( 10 \, \text{m} \) from the center of a spherical shell of mass \( 600 \, \text{kg} \) and radius \( 8 \, \text{m} \)? (\( G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

  • A. 4.7 × 10⁻¹⁰ N
  • B. 4.8 × 10⁻¹⁰ N
  • C. 4.9 × 10⁻¹⁰ N
  • D. 5.0 × 10⁻¹⁰ N

+ 5 more questions in the actual test

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