NEET Physics: Gravitation — MCQ Test 9

Q6. What is the gravitational force on a \( 2 \, \text{kg} \) mass inside a hollow spherical shell of mass \( 1000 \, \text{kg} \) and radius \( 1 \, \text{m} \)?

Q7. A body is launched from Earth at \( 11.8 \, \text{km/s} \). What is its speed at infinity? (Escape speed = \( 11.2 \, \text{km/s} \))

Q8. A body is launched from Earth at \( 13.5 \, \text{km/s} \). What is its speed at infinity? (Escape speed = \( 11.2 \, \text{km/s} \))

Q9. How much energy is required to move a \( 500 \, \text{kg} \) satellite from \( 9 R_E \) to \( 18 R_E \) from Earth’s center? (\( M_E = 6 \times 10^{24} \, \text{kg}, R_E = 6.4 \times 10^6 \, \text{m}, G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

Q10. Why does an object need a minimum speed to escape Earth’s gravity?

NEET Physics — Gravitation

Free MCQ Test 9 of 25

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What determines the escape speed from a planet?

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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 Determines, Following, Statements, Satellite, Elliptical, and Gravitational.

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 determines the escape speed from a planet?

  • A. Planet’s mass and radius
  • B. Object’s mass and speed
  • C. Altitude and direction
  • D. Atmospheric density

Q2. Which of the following statements is correct about a satellite in elliptical orbit?

  • A. Its speed is constant
  • B. Its total energy is zero
  • C. Its speed varies with distance
  • D. Its potential energy is constant

Q3. A \( 800 \, \text{kg} \) satellite orbits Earth at \( 12 R_E \) from the center. What is its total energy? (\( M_E = 6 \times 10^{24} \, \text{kg}, R_E = 6.4 \times 10^6 \, \text{m}, G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

  • A. -2.0 × 10⁹ J
  • B. -2.1 × 10⁹ J
  • C. -2.2 × 10⁹ J
  • D. -2.3 × 10⁹ J

Q4. Why is the gravitational force between two point masses always attractive?

  • A. Masses can be negative
  • B. Masses are always positive
  • C. Distance is squared
  • D. It depends on their separation

Q5. Why does the gravitational force provide the necessary centripetal force for a circular orbit?

  • A. It is a frictional force
  • B. It balances the required inward force
  • C. It acts outward
  • D. It depends on satellite mass only

+ 5 more questions in the actual test

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