This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Motion And Time > Class 7 Science Chapter 9 Motion And Time – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 9 Motion And Time Quiz 9 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The speed of a motorcar is 25 m/s. Its speed in km/h is A) 90 km/h. B) 2.5 m/s. C) 54 km/h. D) 36 km/h. Show Answer Correct Answer: A) 90 km/h. 2. Force of gravity on the object is greater on A) Poles. B) Equator. C) Same at all places. D) At centre. Show Answer Correct Answer: A) Poles. 3. A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h. The average speed of the man over the interval of time 0 to 40 min. is equal to ..... km/h A) 25/4. B) 30/4. C) 45/8. D) 5. Show Answer Correct Answer: C) 45/8. 4. Simple pendulum is an example of ..... A) Periodic motion. B) Linear motion. C) Rotational motion. D) Circular motion. Show Answer Correct Answer: A) Periodic motion. 5. How can you determine if an object is accelerating from a distance-time graph? A) Look for a curve that is not a straight line. If the curve is curving upwards, the object is accelerating. B) Check if the graph is horizontal. C) Measure the distance between two points on the graph. D) Look for a straight line on the graph. Show Answer Correct Answer: A) Look for a curve that is not a straight line. If the curve is curving upwards, the object is accelerating. 6. Mention the formula used to measure Distance. A) Distance = Speed-Time. B) Distance = Speed x Time. C) Distance = Speed / Time. D) Distance = Speed + Time. Show Answer Correct Answer: B) Distance = Speed x Time. 7. Among the following which is not fundamental quantity? A) Time. B) Mass. C) Length. D) Area. Show Answer Correct Answer: D) Area. 8. 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) 10 hrs. B) 12 hrs. C) 6 hrs. D) 9 hrs. Show Answer Correct Answer: C) 6 hrs. 9. 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. 10. 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) Jamsetji Tata. B) Galileo Galilei. C) Sir Albert Einstein. D) Sir Issac Newton. Show Answer Correct Answer: B) Galileo Galilei. 11. 36 km/h can be expresses as A) 3.6 m/s. B) 10 m/s. C) 36 m/s. D) 100 m/s. Show Answer Correct Answer: B) 10 m/s. 12. How many Jantar Mantars are there in India? A) 3. B) 2. C) 5. D) 1. Show Answer Correct Answer: B) 2. 13. 10 ..... events are used for the measurement of time. A) Circular. B) Linear. C) Street. D) Periodic. Show Answer Correct Answer: D) Periodic. 14. How many sun dials are there in India? A) 2. B) 5. C) 1. D) 3. Show Answer Correct Answer: A) 2. 15. 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. 16. 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. 17. The instruement used to measure time in olden days is A) Quartz clock. B) Digital clock. C) Electronic clock. D) Sun dial. Show Answer Correct Answer: D) Sun dial. 18. The quantities that can be measured are called as- A) Mental. B) Mechanical. C) Chemical. D) Physical. Show Answer Correct Answer: D) Physical. 19. 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. 20. 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. 21. Time period of simple pendulum depends upon: A) Non of these. B) Length of string. C) Colour bob. D) Mass of bob. Show Answer Correct Answer: B) Length of string. 22. The metallic ball present in pendulam is? A) Ball. B) Bob. C) He was. D) None. Show Answer Correct Answer: B) Bob. 23. The speed of a motorcar is 45 km/h. Its speed in m/s is A) 17.5 m/s. B) 12.5 m/s. C) 10 m/s. D) 21.5 m/s. Show Answer Correct Answer: B) 12.5 m/s. 24. 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. 25. In which motion does body move in a straight line A) Circular motion. B) Rotational motion. C) Periodic motion. D) Rectilinear motion. Show Answer Correct Answer: D) Rectilinear motion. 26. The speed of a motorcar is 15 m/s. Its speed in km/h is A) 54 km/h. B) 54 m/h. C) 36 km/h. D) 2.5 m/s. Show Answer Correct Answer: A) 54 km/h. 27. 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. 28. An airplane leaves Orlando, FL and travels 540 miles to Washington D.C. The flight takes 90 minutes. What is the speed of the plane? A) 6 m/s. B) 480 m/s. C) 6 s. D) 0.17 m/s. Show Answer Correct Answer: A) 6 m/s. 29. What is the relationship between time and motion? A) Time is irrelevant to motion. B) Time is a constant that does not affect motion. C) Time is a measure of change in motion. D) Motion can exist without time. Show Answer Correct Answer: C) Time is a measure of change in motion. 30. What is the speed of a runner who runs 400 meters in 40 seconds? A) 10 meters/second. B) 40 meters/second. C) 100 meters/second. D) 1, 600 meters/second. Show Answer Correct Answer: A) 10 meters/second. 31. Oscillatory motion is also considered as A) Non periodic motion. B) Periodic motion. C) Circular motion. D) None of the above. Show Answer Correct Answer: B) Periodic motion. 32. Till ..... pendulum clocks were most acurate A) 1932. B) 1931. C) 1929. D) 1930. Show Answer Correct Answer: D) 1930. 33. If the distance of your home from school is 1425m. The distance is equal to A) 0.1425 km. B) 142.5 km. C) 14.25 km. D) 1.425 km. Show Answer Correct Answer: A) 0.1425 km. 34. Odometer is an instrument which is used in vehicles to indicate the distance travelled by a vehicle A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 35. Select the most important types of motion:- A) Vibratory. B) Translatory. C) Circular. D) Reciprocating. Show Answer Correct Answer: C) Circular. 36. Which of the following statement/s is/are TRUE about the Distance-Time graph? A) A distance-time graph is a way of representing the motion of an object in the form of a graph. B) The distance-time graph of an object in non-uniform motion is always a straight line. C) All the above. D) None of the above. Show Answer Correct Answer: A) A distance-time graph is a way of representing the motion of an object in the form of a graph. 37. The distance-time graph for a vehicle standing on a road side will be A) Curved line parallel to x axis. B) Straight line parallel to a-axis. C) Straight line parallel to y-axis. D) None of the above. Show Answer Correct Answer: D) None of the above. 38. A simple pendulum takes 52 sec to complete 20 oscillations.how much time does it take to complete 1 Oscillation A) 10 sec. B) 2 sec. C) 2.6 sec. D) 1.6 sec. Show Answer Correct Answer: C) 2.6 sec. 39. Formula for finding out time A) S/D. B) D x T. C) D/S. D) None of these. Show Answer Correct Answer: C) D/S. 40. The time intervals between one sunrise and the next was considered as ..... A) One hour. B) One day. C) One month. D) One year. Show Answer Correct Answer: B) One day. 41. How was the discovery of a pendulum speed discovered A) By a lamp. B) By a plane. C) I dont know. D) By A pendulum. Show Answer Correct Answer: A) By a lamp. 42. A bird flies at a speed of 4 m/s. It flies for 2160 seconds from its nest to the field. How much distance did the bird cover? A) 2156 meters. B) 540 meters. C) 2164 meters. D) 8, 640 meters. Show Answer Correct Answer: D) 8, 640 meters. 43. A SIMPLE PENDULUM TAKES 32 s TO COMPLETE 20 OSCILLATIONS . WHAT IS THE TIME PERIOD OF THE PENDULUM? A) 0.04 s. B) 1.6 s. C) 1.8 s. D) 15 s. Show Answer Correct Answer: B) 1.6 s. 44. Mention which is the most common thing in almost all the clocks. A) Periodic. B) Oscilatery. C) Straight. D) None of the above. Show Answer Correct Answer: A) Periodic. 45. What type of motion is a child riding on a merry-go-round? A) Circular Motion. B) Periodic Motion. C) Rotational Motion. D) Rectilinear Motion. Show Answer Correct Answer: A) Circular Motion. 46. In which place is sundial there? A) Hydrebad. B) Mumbai. C) KOLKATA. D) Delhi. Show Answer Correct Answer: D) Delhi. 47. An athlete attains a maximum speed of 36 km/h. This speed is equal to: A) 9m/s. B) Will/with. C) 5m/s. D) 10m/s. Show Answer Correct Answer: D) 10m/s. 48. If a pendulum Completes 40 Oscillations in 10 seconds.Calculate its time Period. A) 0.10 second. B) 0.50 second. C) 0.40 second. D) O.25 second. Show Answer Correct Answer: D) O.25 second. 49. A boy covers 40km in 5hrs calculate his speed. A) The boy's speed is infinity. B) 8km/hr. C) 8.9/hr. D) He is at rest. Show Answer Correct Answer: B) 8km/hr. 50. What do we call the distance moved by an object in a unit time? A) Speed. B) Acceleration. C) Velocity. D) Momentum. Show Answer Correct Answer: A) Speed. 51. What pulls a ball back to earth? A) Molecules. B) Gravity. C) Gas. D) Friction. Show Answer Correct Answer: B) Gravity. 52. What is the difference between linear and circular motion? A) Linear motion is straight-line movement, while circular motion is movement along a curved path. B) Linear motion is faster than circular motion, which is always slower. C) Linear motion involves rotation, while circular motion is straight-line movement. D) Linear motion occurs in a circular path, whereas circular motion is always straight. Show Answer Correct Answer: A) Linear motion is straight-line movement, while circular motion is movement along a curved path. 53. Simple pendulam consists of a small metalic ball called as A) Ball. B) Box. C) Bob. D) All the above. Show Answer Correct Answer: C) Bob. 54. The motion of all objects is not ..... A) Different. B) Same. C) All the above. D) None of the above. Show Answer Correct Answer: B) Same. 55. The measurement of small time intervals became possible with the development of: A) Sand clock. B) Sundial. C) Pendulum clock. D) Water clock. Show Answer Correct Answer: C) Pendulum clock. 56. 10 oscillations:14 seconds, 25 oscillations: ..... A) 30 seconds. B) 15 seconds. C) 12 minutes. D) 35 seconds. Show Answer Correct Answer: D) 35 seconds. 57. The southern hemisphere is located A) On the equator. B) China. C) South of the equator. D) North of the equator. Show Answer Correct Answer: C) South of the equator. 58. The distance-time graph of an object under uniform motion is a A) Curved line. B) Straight line. C) Parabola. D) Circle. Show Answer Correct Answer: B) Straight line. 59. How do you determine the speed from a graph? A) Speed is calculated by the average of the y-axis values. B) Speed is found by measuring the height of the graph. C) Speed is determined by the slope of the distance-time graph. D) Speed is determined by the area under the graph. Show Answer Correct Answer: C) Speed is determined by the slope of the distance-time graph. 60. What is a simple pendulum? A) A simple pendulum is a device that generates electricity using magnets. B) A simple pendulum is a type of clock that uses gears to measure time. C) A simple pendulum is a mass attached to a fixed point by a string or rod that swings back and forth. D) A simple pendulum is a mass that floats on water and moves in circular motion. Show Answer Correct Answer: C) A simple pendulum is a mass attached to a fixed point by a string or rod that swings back and forth. ← 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 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books