This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Motion And Time > Class 7 Science Chapter 9 Motion And Time – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 9 Motion And Time Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An object is said to be in motion when its ..... changes with time A) Rate. B) Distance. C) Position. D) None of the above. Show Answer Correct Answer: C) Position. 2. The time period of a given pendulum of the same length is always constant A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. The ..... moved by an object in a ..... of time is the speed of an object? A) Distance, rate. B) Unit, velocity. C) Velocity, unit. D) Distance, unit. Show Answer Correct Answer: D) Distance, unit. 4. The time taken by the pendulum to complete ..... is called its time period. A) One oscillations. B) Two oscillations. C) One oscillation. D) None of the above. Show Answer Correct Answer: C) One oscillation. 5. A simple pendulum takes 42 sec. to complete 20 oscillations. What is its time period? A) 2.1 s. B) 4.2 s. C) 21 s. D) 8.40 s. Show Answer Correct Answer: A) 2.1 s. 6. What type of speed is when an object covers equal distances in equal intervals of time? A) Average Speed. B) Variable Speed. C) Uniform Speed. D) Non-uniform Speed. Show Answer Correct Answer: C) Uniform Speed. 7. Which is not a standard unit? A) Meter. B) Second. C) Gram. D) Hand span. Show Answer Correct Answer: D) Hand span. 8. The triangular metallic plate in a sundial is called A) Gnomon. B) Pendulum. C) Bob. D) None of the above. Show Answer Correct Answer: A) Gnomon. 9. The distance time graph of a car is plotted with time on the X-axis and distance on the Y-axis. The graph is a straight line parallel to the X-axis. Which of the following is true about the car? A) It is in non uniform motion. B) It is in uniform motion. C) It is moving very fast. D) It is not in moving. Show Answer Correct Answer: D) It is not in moving. 10. How can distance-time graphs be useful in real life? A) Distance-time graphs are useful for analyzing travel speed, planning trips, and comparing different journeys. B) Distance-time graphs are primarily for financial analysis. C) Distance-time graphs are used to measure temperature changes. D) Distance-time graphs help in cooking recipes. Show Answer Correct Answer: A) Distance-time graphs are useful for analyzing travel speed, planning trips, and comparing different journeys. 11. Motion is of various types and the type of motion depends on how an object moves. For example, which type of motion can A) Oscillatory motion. B) Parabolic motion. C) Linear motion. D) Circular motion. Show Answer Correct Answer: C) Linear motion. 12. The speedometer measures the speed of a vehicle in A) Km/h. B) M/h. C) Kg/h. D) None of the above. Show Answer Correct Answer: A) Km/h. 13. What is the difference between instantaneous speed and average speed? A) Average speed is the speed at a specific moment in time. B) Instantaneous speed is always greater than average speed. C) Instantaneous speed is calculated by averaging speeds over a period. D) Instantaneous speed is the speed at a specific moment, while average speed is the total distance divided by total time. Show Answer Correct Answer: D) Instantaneous speed is the speed at a specific moment, while average speed is the total distance divided by total time. 14. The to and fro motion of an object which moves along the same path is called A) Circular Motion. B) Oscillatory Motion. C) Vibratory Motion. D) Rotatory Motion. Show Answer Correct Answer: B) Oscillatory Motion. 15. A car moves with a speed of 40km/h for 2 hour what is the distance covered by the object? A) 20km/h. B) 20km. C) 80Km / h. D) 80km. Show Answer Correct Answer: D) 80km. 16. Which of these are the example of periodic motion A) Needle of sewing machine. B) Spinning of top or fan. C) Car moving on a straight road. D) None of these. Show Answer Correct Answer: A) Needle of sewing machine. 17. The unit of speed in SI system is A) M/h. B) Km/h. C) Km/s. D) M/s. Show Answer Correct Answer: D) M/s. 18. If the speed of an object moving along a straight line keeps changing, then its a ..... motion. A) Uniform motion. B) Non-uniform motion. C) Periodic motion. D) None of the above. Show Answer Correct Answer: B) Non-uniform motion. 19. Determine the speed of a golf ball that was hit 200meters in 5 seconds. A) 100 m/s. B) 40 m/s. C) 1000 m/s. D) .025 m/s. Show Answer Correct Answer: B) 40 m/s. 20. Swami walks to his school which is at a distance of 4 km from his home in 30 minutes. On reaching he finds that the school is closed and comes back in his friend's vehicle to home in 10 minutes. His average speed in km/h is A) 16 km/h. B) 8 km/h. C) 24 km/h. D) 20 km/h. Show Answer Correct Answer: A) 16 km/h. 21. The device which is used for measuring time intervals in sports activities is called A) Wristwatch. B) Stopwatch. C) Pendulum. D) None of these. Show Answer Correct Answer: B) Stopwatch. 22. Speed can be calculated by an instrument called ..... A) Watches. B) Speedometer. C) Clock. D) Odometer. Show Answer Correct Answer: B) Speedometer. 23. When an object changes position with time, it is said to be in A) Circle. B) Motion. C) Rest. D) Stationary. Show Answer Correct Answer: B) Motion. 24. When a body covers unequal distances in equal intervals of time then it is said to be in ..... motion A) Vibratory. B) Non uniform. C) Uniform. D) Periodic. Show Answer Correct Answer: B) Non uniform. 25. It involves the analysis of the basic hand, arm, and body movements of workers as they perform work. A) Therblig. B) Motion study. C) Work Design. D) Time study. Show Answer Correct Answer: B) Motion study. 26. All the clocks make use of some periodic motion. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 27. Explain what a speed-time graph shows. A) A speed-time graph shows the distance traveled over time. B) A speed-time graph shows how speed changes over time. C) A speed-time graph indicates the acceleration of an object. D) A speed-time graph represents the total time taken for a journey. Show Answer Correct Answer: B) A speed-time graph shows how speed changes over time. 28. In modern wrist watch, time is measured by the vibrations of a ..... crystals A) Quartz. B) Diamond. C) GOLD. D) None of the above. Show Answer Correct Answer: A) Quartz. 29. What are the three main types of motion? A) Linear motion, rotational motion, oscillatory motion. B) Cyclic motion, linear acceleration, angular momentum. C) Translational motion, vibrational motion, periodic motion. D) Static motion, dynamic motion, gravitational motion. Show Answer Correct Answer: A) Linear motion, rotational motion, oscillatory motion. 30. Classify the following as motion along a straight line, circular or oscillatory motion:a) Motion of a horse pulling a cart on a straight road. b) Motion of a kid in a merry-go-round A) Periodic, circular. B) Oscillatory, straight. C) Straight, periodic. D) Straight, circular. Show Answer Correct Answer: D) Straight, circular. 31. The SI unit of speed A) Km/s. B) M/s. C) M/hr. D) Km/hr. Show Answer Correct Answer: B) M/s. 32. Different ..... of time are used depending on the need. A) Intervals. B) Changes. C) Units. D) Gaps. Show Answer Correct Answer: C) Units. 33. What is the standard unit for measuring current? A) Ohm. B) Voltage. C) None of these. D) Newton. Show Answer Correct Answer: C) None of these. 34. A car travels a distance of 240 km in 4 hours. What is its average speed? A) 100 km/h. B) 60 km/h. C) 80 km/h. D) 120 km/h. Show Answer Correct Answer: C) 80 km/h. 35. A cheetah's running Average speed is A) 31. B) 41. C) 40. D) 32. Show Answer Correct Answer: A) 31. 36. Meter present on the dashboard of a car A) Speedometer. B) Micrometer. C) Petrol tank meter. D) None of them. Show Answer Correct Answer: A) Speedometer. 37. The S.I unit of speed is A) Meter per second. B) Kilometer per second. C) Both. D) None of the above. Show Answer Correct Answer: A) Meter per second. 38. The speed of a motorcar is 27 km/h. Its speed in m/s is A) 17.5 m/s. B) 10 m/s. C) 7.5 m/s. D) 2.5 m/s. Show Answer Correct Answer: C) 7.5 m/s. 39. What is the basic unit of speed? A) Km/m. B) M/s. C) Km/h. D) M/my. Show Answer Correct Answer: B) M/s. 40. How long does it take to travel 60km when going at a speed of 5km/h A) .08h. B) 12s. C) 300km/h. D) 12h. Show Answer Correct Answer: D) 12h. 41. What is the other name for sundial clock? A) Sun clock. B) Shadow clock. C) Water clock. D) Day clock. Show Answer Correct Answer: B) Shadow clock. 42. If the speed of an object along a straight line keeps changing, its motion is said to be A) (a) uniform motion. B) (b) non-uniform motion. C) (c) linear motion. D) None of the above. Show Answer Correct Answer: B) (b) non-uniform motion. 43. What is the difference between frequency and time period? A) Frequency and time period are inversely related; frequency measures cycles per second, while time period measures the duration of one cycle. B) Frequency is measured in minutes instead of seconds. C) Time period measures the speed of a cycle. D) Frequency is the same as time period. Show Answer Correct Answer: A) Frequency and time period are inversely related; frequency measures cycles per second, while time period measures the duration of one cycle. 44. The SI unit of distance / length is ..... A) Metre. B) Centimetre. C) Millimetre. D) None of the above. Show Answer Correct Answer: A) Metre. 45. The length of cloth is 27.15m. Convert into cm A) 2.715. B) 0. 2715. C) 271.5. D) 2715. Show Answer Correct Answer: D) 2715. 46. How is time measured in physics? A) Time is measured in minutes using a pendulum. B) Time is measured in hours based on the Earth's rotation. C) Time is measured in seconds, defined by atomic vibrations. D) Time is measured in days according to lunar cycles. Show Answer Correct Answer: C) Time is measured in seconds, defined by atomic vibrations. 47. SI unit for speed A) Pounds. B) M/s or km/h. C) Mph. D) Newtons. Show Answer Correct Answer: B) M/s or km/h. 48. What is the S.I. unit of speed? A) M/h. B) M/s. C) Km/m. D) Km/s. Show Answer Correct Answer: B) M/s. 49. On which axis is dependent variable represented?(a) x-axis(b) y-axis(c) On any axis(d) Depends on the data A) . B) . C) . D) Q. Show Answer Correct Answer: A) . 50. Which one of these is not a type graph? A) Pie chart. B) Bar graph. C) None of these. D) Line graph. Show Answer Correct Answer: C) None of these. 51. Which of the following could not be a unit of speed A) Mm/s. B) M/s. C) S/m. D) Km/h. Show Answer Correct Answer: C) S/m. 52. The speed of a car is 54 km/h. Its speed in m/s is A) 10 m/s. B) 15 m/s. C) 25 m/s. D) 20 m/s. Show Answer Correct Answer: B) 15 m/s. 53. Which of the following will produce severe burns? A) Steam. B) Boiling water. C) Cold water. D) Hot water. Show Answer Correct Answer: A) Steam. 54. Describe how to graph motion on a distance-time graph. A) Graph motion by plotting distance on the y-axis and time on the x-axis, connecting points to show speed. B) Use a bar graph to represent distance over time. C) Connect points with a straight line regardless of speed changes. D) Plot time on the y-axis and distance on the x-axis. Show Answer Correct Answer: A) Graph motion by plotting distance on the y-axis and time on the x-axis, connecting points to show speed. 55. A ..... is one billionth of a second. A) Minute. B) Microsecond. C) Nanosecond. D) Second. Show Answer Correct Answer: C) Nanosecond. 56. On which axis does the time variable exist on the graph? A) On any axis. B) X-axis. C) Y-axis. D) Depends on the data. Show Answer Correct Answer: B) X-axis. 57. A car moves at the speed of 60km/hr for 15min. The distance covered by the car is A) 60km. B) 15km. C) 30km. D) 22km. Show Answer Correct Answer: B) 15km. 58. The metallic ball at the end of pendulem is called as ..... A) Blob. B) Bob. C) Metal ball. D) Sphere. Show Answer Correct Answer: B) Bob. 59. An object moves to and fro about its position of rest.what type of motion is this? A) Uniform motion. B) Oscillation. C) Acceleration. D) None of the above. Show Answer Correct Answer: B) Oscillation. 60. Can be measured in meters (m), kilometers (km), centimeters (cm), etc ..... A) Time. B) Distance. C) Speed. D) Acceleration. Show Answer Correct Answer: B) Distance. ← PreviousNext →Related QuizzesScience QuizzesClass 7 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books