This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 9 Motion And Time – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 9 Motion And Time Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Mention the formula used to measure Distance. A) Distance = Speed x Time. B) Distance = Speed + Time. C) Distance = Speed / Time. D) Distance = Speed-Time. Show Answer Correct Answer: A) Distance = Speed x Time. 2. What is the formula for speed? A) Speed = Total distance covered / Total time taken. B) Speed = Total time taken / Total distance covered. C) Speed = Distance / Time. D) Speed = Time / Distance. Show Answer Correct Answer: A) Speed = Total distance covered / Total time taken. 3. Among the following which is not fundamental quantity? A) Length. B) Mass. C) Area. D) Time. Show Answer Correct Answer: C) Area. 4. If a train starts from point A towards point B at a speed of 54 km/hr and the distance between point and point B is 324 km then how much time it will take for train to reach point B? A) 9 hrs. B) 10 hrs. C) 12 hrs. D) 6 hrs. Show Answer Correct Answer: D) 6 hrs. 5. How can we measure the time taken for a pendulum to complete one swing? A) Count the number of swings in a minute and divide by the total swings. B) Use a ruler to measure the length of the pendulum and calculate the time. C) Estimate the time based on the height of the pendulum's swing. D) Use a stopwatch to time one complete swing from one side to the other and back. Show Answer Correct Answer: D) Use a stopwatch to time one complete swing from one side to the other and back. 6. An Italian astronomer was the first one to prove that the motion of a pendulum is periodic and that it takes the same time to complete one oscillation. A) Galileo Galilei. B) Sir Issac Newton. C) Sir Albert Einstein. D) Jamsetji Tata. Show Answer Correct Answer: A) Galileo Galilei. 7. 36 km/h can be expresses as A) 10 m/s. B) 3.6 m/s. C) 100 m/s. D) 36 m/s. Show Answer Correct Answer: A) 10 m/s. 8. How many Jantar Mantars are there in India? A) 1. B) 2. C) 3. D) 5. Show Answer Correct Answer: B) 2. 9. 10 ..... events are used for the measurement of time. A) Periodic. B) Circular. C) Linear. D) Street. Show Answer Correct Answer: A) Periodic. 10. How many sun dials are there in India? A) 1. B) 5. C) 2. D) 3. Show Answer Correct Answer: C) 2. 11. The metallic plate of a sundial is called A) Metallic base. B) Gnomon. C) Plate. D) None of the above. Show Answer Correct Answer: B) Gnomon. 12. These are used to measure shorter time events intervals between accurately. A) Sand clock. B) Wall clock. C) Water clock. D) Stop clock. Show Answer Correct Answer: D) Stop clock. 13. The time period of the pendulum depends on its A) Length. B) Speed. C) Weight. D) None of the above. Show Answer Correct Answer: A) Length. 14. The instruement used to measure time in olden days is A) Digital clock. B) Quartz clock. C) Sun dial. D) Electronic clock. Show Answer Correct Answer: C) Sun dial. 15. The quantities that can be measured are called as- A) Chemical. B) Mechanical. C) Physical. D) Mental. Show Answer Correct Answer: C) Physical. 16. The graph between distance and time for a non uniform motion is a: A) Curve line. B) Straight line. C) Zig zag line. D) All of these. Show Answer Correct Answer: A) Curve line. 17. What does the slope of a distance-time graph indicate? A) The type of motion. B) The distance travelled. C) The speed of the object. D) The time taken. Show Answer Correct Answer: C) The speed of the object. 18. How can you graph the motion of an object? A) Chart the object's color vs. time to see how it changes. B) Graph the object's position vs. time to visualize its motion. C) Plot the object's mass vs. time to understand its motion. D) Graph the object's speed vs. time to analyze its acceleration. Show Answer Correct Answer: B) Graph the object's position vs. time to visualize its motion. 19. Time period of simple pendulum depends upon: A) Mass of bob. B) Colour bob. C) Length of string. D) Non of these. Show Answer Correct Answer: C) Length of string. 20. The metallic ball present in pendulam is? A) Ball. B) Bob. C) He was. D) None. Show Answer Correct Answer: B) Bob. 21. The speed of a motorcar is 45 km/h. Its speed in m/s is A) 12.5 m/s. B) 21.5 m/s. C) 17.5 m/s. D) 10 m/s. Show Answer Correct Answer: A) 12.5 m/s. 22. In the case of uniform motion, the speed A) Changes. B) Remains constant. C) None of these. D) None of the above. Show Answer Correct Answer: B) Remains constant. 23. In which motion does body move in a straight line A) Periodic motion. B) Rectilinear motion. C) Circular motion. D) Rotational motion. Show Answer Correct Answer: B) Rectilinear motion. 24. The speed of a motorcar is 15 m/s. Its speed in km/h is A) 2.5 m/s. B) 54 m/h. C) 36 km/h. D) 54 km/h. Show Answer Correct Answer: D) 54 km/h. 25. How does frequency relate to the time period of a pendulum? A) Frequency and time period are unrelated for a pendulum. B) Frequency is inversely related to the time period of a pendulum. C) Frequency is directly proportional to the time period of a pendulum. D) Increasing the frequency increases the time period of a pendulum. Show Answer Correct Answer: B) Frequency is inversely related to the time period of a pendulum. ← PreviousNext →Related QuizzesClass 7 Science Chapter 9 Motion And Time Quiz 1Class 7 Science Chapter 9 Motion And Time Quiz 2Class 7 Science Chapter 9 Motion And Time Quiz 3Class 7 Science Chapter 9 Motion And Time Quiz 4Class 7 Science Chapter 9 Motion And Time Quiz 5Class 7 Science Chapter 9 Motion And Time Quiz 6Class 7 Science Chapter 9 Motion And Time Quiz 7Class 7 Science Chapter 9 Motion And Time Quiz 8Class 7 Science Chapter 9 Motion And Time Quiz 9Class 7 Science Chapter 9 Motion And Time Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books