This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 6 Gravitation – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 31 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The gravitational force between Earth and the Sun causes A) Earth to orbit the Sun. B) The Moon to orbit Earth. C) Earth to orbit the Moon. D) Earth's atmosphere. Show Answer Correct Answer: A) Earth to orbit the Sun. 2. ..... holds all of the planets in orbit around the sun. A) Force. B) Motion. C) Weight. D) Gravity. Show Answer Correct Answer: D) Gravity. 3. Mass and weight are the same thing. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 4. If Earth's mass was cut in half, what would happen to your mass? A) Increase because gravitational force increases. B) Decrease because gravitational force decreases. C) Decrease because gravitational force increases. D) Nothing, mass is not affected by gravitational force. Show Answer Correct Answer: D) Nothing, mass is not affected by gravitational force. 5. Arjun and Luna were discussing about a famous experiment conducted by Henry Cavendish. Evelyn joined them and asked, 'What did this experiment determine?' A) The value of g. B) The value of the gravitational constant. C) The value of the Earth's mass. D) The value of the Moon's acceleration. Show Answer Correct Answer: B) The value of the gravitational constant. 6. The value of 'g' (Gravitation). A) Increases as we go above the earth's surface. B) Decreases as we go to the center of the earth. C) Remains constant. D) Is more at equator and less at poles. Show Answer Correct Answer: B) Decreases as we go to the center of the earth. 7. What happens if the distance between objects with mass increases? A) Gravitational attraction between the objects decreases. B) Gravitational attraction between the objects increases. C) All the above. D) None of the above. Show Answer Correct Answer: A) Gravitational attraction between the objects decreases. 8. As the mass of an object increases, the pull of gravity ..... A) Increases. B) Decreases. C) Stays the same. D) None of the above. Show Answer Correct Answer: A) Increases. 9. Mr. Holland drops 6.9kg of metal from a plane over the poles and the equator at 1 km above the ground.Where will the metal reach the ground first? (no air resistance) and (g = $10ms^{-1}$ A) The equator. B) The poles. C) They will fall at the same time. D) Cannot be determined. Show Answer Correct Answer: B) The poles. 10. Two objects are attracted to each other with 125 N of gravitational force.What would the force between them be if the distance between them were 5x bigger? A) 5 N. B) 25 N. C) 100 N. D) 3125 N. Show Answer Correct Answer: A) 5 N. 11. ..... is the fundamental quantity A) Length. B) Area. C) Volume. D) None. Show Answer Correct Answer: A) Length. 12. A ball is dropped from rest from a height of 80 m. What is its speed just before it hits the ground? A) 20 m/s. B) 30 m/s. C) 40 m/s. D) 50 m/s. Show Answer Correct Answer: C) 40 m/s. 13. This person was the first to use a telescope to make observations in the sky- A) Aristotle. B) Ptolemy. C) Copernicus. D) Galileo. Show Answer Correct Answer: D) Galileo. 14. Why does an object float or sink when placed on the surface of water? A) Because of the weight of the object. B) Because of the density of the object. C) Because of the buoyant force exerted by the water. D) Because of the gravitational force exerted by the earth. Show Answer Correct Answer: C) Because of the buoyant force exerted by the water. 15. The velocity with which a body should be projected from the surface of the earth such that itescapes the gravitational field of earth is called? A) Escape Velocity. B) Terminal Velocity. C) Critical velocity. D) Orbital velocity. Show Answer Correct Answer: A) Escape Velocity. 16. An object falls through a distance h in certain time on the earth. The same object falls through a distance 4h in the same time on a planet. If 'g' is acceleration due to gravity on the earth, acceleration due to gravity on that planet is A) G/4. B) 4 g. C) G/2. D) 2 g. Show Answer Correct Answer: A) G/4. 17. What is gravity in the context of space exploration? A) A force that changes an object's color. B) A force that pulls objects toward each other. C) A force that pushes objects apart. D) A force that stops objects from moving. Show Answer Correct Answer: B) A force that pulls objects toward each other. 18. Which of the following planets has the highest value of g? A) Mars. B) Jupiter. C) Earth. D) Venus. Show Answer Correct Answer: B) Jupiter. 19. If the satellite is very close to the surface of the earth then, then orbital velocity is ..... A) $\sqrt[]{GR}$. B) $-\sqrt[]{GMR}$. C) $\sqrt[]{gR}$. D) $\sqrt[]{GR^3}$. Show Answer Correct Answer: C) $\sqrt[]{gR}$. 20. I man who weighs 1000N on the surface of the earth will weigh how much when we double the distance? A) 500 N. B) 250 N. C) 2000 N. D) 4000N. Show Answer Correct Answer: B) 250 N. 21. What is the relationship between the gravitational force and the distance between the center of two objects? A) Gravitational force increases with distance. B) Gravitational force decreases with distance. C) Gravitational force remains constant with distance. D) Gravitational force is unrelated to distance. Show Answer Correct Answer: B) Gravitational force decreases with distance. 22. The orbital period of a geostationary satellite is A) Slightly less than 24 hours. B) Slightly more than 24 hours. C) Equal to 24 hours. D) Equal to 12 hours. Show Answer Correct Answer: C) Equal to 24 hours. 23. What is gravitational force? A) The force of attraction between two objects. B) It makes objects at rest start moving. C) It makes objects that are moving stop. D) It pulls you into space. Show Answer Correct Answer: A) The force of attraction between two objects. 24. Energy stored because of gravity is called: A) Gravitational Potential Energy. B) Kinetic Energy. C) Mechanical Advantage. D) Chemical Energy. Show Answer Correct Answer: A) Gravitational Potential Energy. 25. The gravitational force exerted by an object depends on its weight. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. ← PreviousNext →Related QuizzesClass 11 Physics (Part I) Chapter 6 Gravitation Quiz 1Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 2Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 3Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 4Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 5Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 6Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 7Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 8Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 9Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books