This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 6 Gravitation – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 29 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Who came up with the Law of Universal Gravitation? A) Albert Einstein. B) Issac Newton. C) Johannes Kepler. D) Max Planck. Show Answer Correct Answer: B) Issac Newton. 2. A 5 kg bowling ball is held an unknown height in the air. If it has 73.5 J of potential energy, what is the height of the ball in the air? A) 1.5 m. B) 2 m. C) 3.6 m. D) 8.2 m. Show Answer Correct Answer: A) 1.5 m. 3. Compared to the Gravitational constant G, coulombs constant k is ..... A) Much larger. B) Much smaller. C) The same. D) Better. Show Answer Correct Answer: A) Much larger. 4. Which of the following data would support the claim that the gravitational force between objects depends on mass? A) An object's weight can change depending where it is on Earth. B) The further a planet is away from the sun, the smaller the gravitational force. C) Gravitational force is stronger on more massive planets. D) A rocket can escape Earth's gravity by traveling at high speed. Show Answer Correct Answer: C) Gravitational force is stronger on more massive planets. 5. Which of the following are characteristics of centripetal force? A) Any force that causes an object to move in a circular path. B) An example would be that gravity keeps the moon in orbit around Earth. C) Center seeking. D) All of the characteristics listed are true. Show Answer Correct Answer: D) All of the characteristics listed are true. 6. The distance between two bodies becomes 6 times more than the usual distance. The the F becomes A) 36 times. B) 6 times. C) 12 times. D) 1/36 times. Show Answer Correct Answer: D) 1/36 times. 7. As distance increases between the sun and an object, gravitational attraction A) Increases. B) Decreases. C) All the above. D) None of the above. Show Answer Correct Answer: B) Decreases. 8. Which of the following best describes the gravitational force between two objects if one object's mass is tripled and the distance between them is doubled? A) 1.5 times the original force. B) 3 times the original force. C) 0.75 times the original force. D) 1.5 times the original force. Show Answer Correct Answer: C) 0.75 times the original force. 9. Two spherical objects have masses of 8000 kg and 1500 kg. Their centers are separated by a distance of 1.5 m. Find the gravitational attraction between them A) 5.4 X 10$^{-4}$ N. B) 1.2 X 10$^{7}$ N. C) 3.6 X 10$^{-4}$ N. D) 5.33 N. Show Answer Correct Answer: C) 3.6 X 10$^{-4}$ N. 10. Gravitational potential due to solid sphere at the centre is ..... A) $-\frac{3GM}{2R}$. B) $\frac{3GM}{2R}$. C) $-\frac{5GM}{2R}$. D) $\frac{5GM}{2R}$. Show Answer Correct Answer: A) $-\frac{3GM}{2R}$. 11. Imagine a new planet having the same density as that of the earth but it is 3 times bigger than the earth in size. If the acceleration due to gravity on the surface of the earth is g and that on the surface of the new planet is 'g', then A) G' = 3g. B) $g'=\frac{g}{9}$. C) G' = 9g. D) G' = 27g. Show Answer Correct Answer: A) G' = 3g. 12. The amount of attraction between two objects which are not in contact with each other is known as the ..... A) Normal force. B) Gravitational force. C) Magnetic force. D) Electrical force. Show Answer Correct Answer: B) Gravitational force. 13. A coin was tossed vertically upward at a speed of 10.0 m/s from the ground. (b) How long did it take the coin to reach its maximum height? A) 1.02 s. B) 1.06 s. C) 1.08 s. D) 1.10 s. Show Answer Correct Answer: A) 1.02 s. 14. On what principle are lactometer and hydrometer based on A) Newton's law. B) Archimedes' principle. C) Pascal's law. D) Bohr's law. Show Answer Correct Answer: B) Archimedes' principle. 15. A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of earth: A) The acceleration of S is always directed towards the centre of the earth. B) The angular momentum of S about the centre of the earth changes in direction, but its magnitude remains constant. C) The total mechanical energy of S varies periodically with time. D) The linear momentum of S remains constant in magnitude. Show Answer Correct Answer: A) The acceleration of S is always directed towards the centre of the earth. 16. What is the formula for the gravitational force between two masses? A) $F = G \frac{m_1 m_2}{r^2}$. B) $F = ma$. C) $F = \frac{mv^2}{r}$. D) $F = \frac{1}{2}mv^2$. Show Answer Correct Answer: A) $F = G \frac{m_1 m_2}{r^2}$. 17. The value of acceleration due to gravity on the Moon is: A) Equal to that on Earth. B) 1/6th of that on Earth. C) 6 times that on Earth. D) Zero. Show Answer Correct Answer: B) 1/6th of that on Earth. 18. THE SCHOOL BAGS ARE GENERALLY PROVIDED WITH BROAD STRIPS BECAUSE? A) IT WILL SPREAD THE FORCE OF THE BAG OVER THE LARGE AREA OF THE SHOULDER OF THE CHILD PRODUCING LARGE PRESSURE. B) IT WILL SPREAD THE FORCE OF THE BAG OVER THE LARGE AREA OF THE SHOULDER OF THE CHILD PRODUCING LESS PRESSURE. C) IT HAS BECOME A TREND AMONG THE STUDENTS TO CARRY THE BAGS WITH WIDE STRIPS. D) NONE OF THE ABOVE. Show Answer Correct Answer: A) IT WILL SPREAD THE FORCE OF THE BAG OVER THE LARGE AREA OF THE SHOULDER OF THE CHILD PRODUCING LARGE PRESSURE. 19. What happens to the force of gravity is the separation distance is tripled? A) F$_{g}$ decreases to 1/3 of the original magnitude. B) F$_{g}$ increases to 1/3 of the original magnitude. C) F$_{g}$ decreases to 1/6 of the original magnitude. D) F$_{g}$ decreases to 1/9 of the original magnitude. Show Answer Correct Answer: D) F$_{g}$ decreases to 1/9 of the original magnitude. 20. The mass of a satellite influences the velocity at which the satellite orbits a planetary body. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. As distance between two objects doubles, the pull of gravity A) Doubles. B) Is 1/4 of the original pull. C) Stays the same. D) Halves. Show Answer Correct Answer: B) Is 1/4 of the original pull. 22. An object on moon surface weighs 66 kg, the weight of same object, on surface of earth will be A) 6 kg. B) 11 kg. C) 33 kg. D) 66 kg. Show Answer Correct Answer: B) 11 kg. 23. A fluid can be ..... A) A gas. B) A liquid. C) A liquid or a gas. D) A solid. Show Answer Correct Answer: C) A liquid or a gas. 24. A measure of how much matter is present in a substance A) Attractive. B) Mass. C) Force. D) Gravity. Show Answer Correct Answer: B) Mass. 25. What is mass in the context of a science experiment? A) The amount of matter in an object. B) The force that gravity exerts on an object. C) The speed at which an object falls. D) The distance between two objects. Show Answer Correct Answer: A) The amount of matter in an object. ← 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