This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 9 Motion And Time – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 9 Motion And Time Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Describe the relationship between distance and time in motion. A) Distance = time / speed. B) Distance = speed x time. C) Distance = speed-time. D) Distance = speed + time. Show Answer Correct Answer: B) Distance = speed x time. 2. Speed of a car is 40 km/h. What is the time taken by the car if the distance between 2 cities is 480 km? A) 13. B) 9. C) 10. D) 12. Show Answer Correct Answer: D) 12. 3. The time taken by the pendulum to complete ..... is called it'stime period. A) Ten oscillations. B) One oscillation. C) Five oscillations. D) None of the above. Show Answer Correct Answer: B) One oscillation. 4. A few substances are arranged in the increasing order of 'forces of attraction'between their particles.Which one of the following represents a correct arrangement? A) Water, air, wind. B) Air, sugar, oil. C) Oxygen, water, sugar. D) Sugar, juice, air. Show Answer Correct Answer: C) Oxygen, water, sugar. 5. A pendulum takes 32s to complete 20 oscillations. What is its time period? A) 1.6 seconds. B) 2.2 seconds. C) 1.3 seconds. D) 0.256 seconds. Show Answer Correct Answer: A) 1.6 seconds. 6. A measurement of distance over time A) Speed. B) Acceleration. C) Force. D) Distance. Show Answer Correct Answer: A) Speed. 7. The movement of see-saw shows ..... motion A) Rotatory. B) Vibrotory. C) Random. D) Periodic. Show Answer Correct Answer: B) Vibrotory. 8. Ram's car moves at a speed of 22km/h. He has to cover 154km in 4 hours.If Ram moves at a constant speed, how early or late would he reach his destination? A) Ram would reach 3 hours late at his destination. B) Ram would reach 2 hours early at his destination. C) Ram would reach 2 hours late at his destination. D) Ram would reach 3 hours early at his destination. E) Ram would reach at the exact time at the destination. Show Answer Correct Answer: A) Ram would reach 3 hours late at his destination. 9. Q2 The object that is moving is set to be in: A) Motion. B) Rest. C) Reference point. D) Stable. Show Answer Correct Answer: A) Motion. 10. The motion of coins on carrom board is A) Rectilinear. B) Rotatory. C) Periodic. D) Oscillatory. Show Answer Correct Answer: A) Rectilinear. 11. What is the unit of speed? A) Liters per minute (L/min). B) Meters per second (m/s). C) Miles per hour (mph). D) Kilometers per hour (km/h). Show Answer Correct Answer: B) Meters per second (m/s). 12. On a distance-versus-time graph, a straight line ALWAYS indicates that an object's speed is ..... A) Constant. B) Zero. C) Increasing. D) Decreasing. Show Answer Correct Answer: A) Constant. 13. Which of the following is the correct formula to calculate speed? A) Speed = Distance / Time. B) Speed = Time / Distance. C) Speed = Distance x Time. D) Speed = Distance + Time. Show Answer Correct Answer: A) Speed = Distance / Time. 14. Are ideal for recording operators' methods and elapsed time. By taking pictures of the operation and then studying them one frame at a time, analysts can record exact details of the method used and can then assign normal time values. A) Videotape camcorders. B) Time study board. C) Stopwatch. D) Training equipment. Show Answer Correct Answer: A) Videotape camcorders. 15. What is the speed of human walking A) 8km/h. B) SCM/x. C) 19km/h. D) 11km/h. Show Answer Correct Answer: A) 8km/h. 16. How is speed calculated? A) Speed = Distance + Time. B) Speed = Distance / Time. C) Speed = Distance-Time. D) Speed = Time / Distance. Show Answer Correct Answer: B) Speed = Distance / Time. 17. Explain the difference between speed and velocity. A) Speed is a measure of distance; velocity is a measure of time. B) Speed can be negative; velocity cannot be negative. C) Speed includes direction; velocity does not include direction. D) Speed is scalar; velocity is vector. Show Answer Correct Answer: D) Speed is scalar; velocity is vector. 18. Rockets can attain speeds up to A) 500km/s. B) 10 km/s. C) 8km/s. D) 800 m/s. Show Answer Correct Answer: C) 8km/s. 19. What is the weight of the sun in kilograms. A) 2000000000000000000000000000000 kg. B) 2000000000000000000000000000000000000000000000 kg. C) 2kg. D) 100000000000000000000000000 kg. Show Answer Correct Answer: A) 2000000000000000000000000000000 kg. 20. FORMULA OF DISTANCE. A) S/T. B) S X T. C) S X D. D) T / S. Show Answer Correct Answer: B) S X T. 21. The standard unit of time is: A) Hour. B) Minute. C) Second. D) None of the above. Show Answer Correct Answer: C) Second. 22. A train takes 2 hours to travel from Gurugram to Noida at an average speed of 50km/hr. Find the distance from Gurugram to Noida. A) 25 km. B) 50 km. C) 80 km. D) 100 km. Show Answer Correct Answer: D) 100 km. 23. What is Non-Uniform motion? A) Average speed travelled by a person. B) A speed measuring device. C) Anything moving in with a constant speed over long distances in a straight line. D) Long distances covered in a short time. Show Answer Correct Answer: C) Anything moving in with a constant speed over long distances in a straight line. 24. A truck driving at 60 miles per hour travels 150 miles. How long is it driving for? A) 9000 hours. B) 0.4 hours. C) 210 hours. D) 2.5 hours. Show Answer Correct Answer: D) 2.5 hours. 25. 1km / h = A) 5/18m/s. B) 1m/s. C) 18/5m/s. D) 0 m/s. Show Answer Correct Answer: A) 5/18m/s. ← 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