This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 9 Motion And Time – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 9 Motion And Time Quiz 23 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the difference between linear and circular motion? A) Linear motion occurs in a circular path, whereas circular motion is always straight. B) Linear motion is faster than circular motion, which is always slower. C) Linear motion is straight-line movement, while circular motion is movement along a curved path. D) Linear motion involves rotation, while circular motion is straight-line movement. Show Answer Correct Answer: C) Linear motion is straight-line movement, while circular motion is movement along a curved path. 2. 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. 3. 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. 4. 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. 5. 10 oscillations:14 seconds, 25 oscillations: ..... A) 15 seconds. B) 12 minutes. C) 30 seconds. D) 35 seconds. Show Answer Correct Answer: D) 35 seconds. 6. The southern hemisphere is located A) North of the equator. B) South of the equator. C) On the equator. D) China. Show Answer Correct Answer: B) South of the equator. 7. The distance-time graph of an object under uniform motion is a A) Curved line. B) Straight line. C) Circle. D) Parabola. Show Answer Correct Answer: B) Straight line. 8. How do you determine the speed from a graph? A) Speed is determined by the slope of the distance-time graph. B) Speed is calculated by the average of the y-axis values. C) Speed is determined by the area under the graph. D) Speed is found by measuring the height of the graph. Show Answer Correct Answer: A) Speed is determined by the slope of the distance-time graph. 9. 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. 10. 10 centuries is A) 10 years. B) 1 millennium. C) 10 millennium. D) 1000 years. Show Answer Correct Answer: B) 1 millennium. 11. Describe the motion of an object with zero acceleration. A) The object is either moving at a constant velocity or is at rest. B) The object is accelerating in the opposite direction. C) The object is experiencing a constant force. D) The object is moving in a circular path. Show Answer Correct Answer: A) The object is either moving at a constant velocity or is at rest. 12. Explain the concept of time interval in relation to motion. A) Time interval is the same as speed in motion. B) Time interval is irrelevant when studying motion. C) Time interval refers to the distance covered by an object in motion. D) Time interval in motion is the duration between two specific points in time during which an object undergoes a change in position. Show Answer Correct Answer: D) Time interval in motion is the duration between two specific points in time during which an object undergoes a change in position. 13. Which among the following is the smallest unit of time A) Second. B) Millenium. C) Nanosecond. D) Microsecond. Show Answer Correct Answer: C) Nanosecond. 14. Right formula to calculate the distance is? A) Speed * time. B) Time *length. C) Length * breadth. D) 2/TIME. Show Answer Correct Answer: A) Speed * time. 15. The pendulum clock is invented by ..... in 1756 A) Christian Huygens. B) Galileo Galilee. C) Alva edison. D) Joseph Priestly. Show Answer Correct Answer: A) Christian Huygens. 16. The unit of luminous intensity is? A) Mole. B) Candella. C) Newton. D) Ampere. Show Answer Correct Answer: B) Candella. 17. During which season is the sun's rays most direct in the northern hemisphere? A) Winter. B) Spring. C) Summer. D) Fall. Show Answer Correct Answer: C) Summer. 18. The most appropriate unit for expressing the speed of a space rocket is A) (a) m/s. B) (b) km/s. C) (c) km/h. D) None of the above. Show Answer Correct Answer: B) (b) km/s. 19. When a body covers equal distance in equal interval of time, the speed of the body is called as ..... A) Average speed. B) Non uniform speed. C) Uniform speed. D) None of these. Show Answer Correct Answer: C) Uniform speed. 20. The motion that repeats itself after regular intervals of time is called A) Rectilinear motion. B) Translational motion. C) Random Motion. D) Periodic motion. Show Answer Correct Answer: D) Periodic motion. 21. The meter that measures the speed of a vehicle at a particular period is A) Speedometer. B) Odometer. C) Thermometer. D) None of the above. Show Answer Correct Answer: A) Speedometer. 22. The speed of a motorcar is 63 km/h. Its speed in m/s is A) 2.5 m/s. B) 21.5 m/s. C) 17.5 m/s. D) 10 m/s. Show Answer Correct Answer: C) 17.5 m/s. 23. What units are commonly used to measure time? A) Grams. B) Liters. C) Kilometers. D) Seconds, minutes, hours, days, weeks, months, years. Show Answer Correct Answer: D) Seconds, minutes, hours, days, weeks, months, years. 24. What are the main types of motion? A) Linear, Circular, Periodic, Oscillatory. B) Linear, Circular, Random, Oscillatory. C) Linear, Circular, Periodic, Random. D) Linear, Circular, Periodic, Straight. Show Answer Correct Answer: A) Linear, Circular, Periodic, Oscillatory. 25. Which of the following is not a characteristic of matter? A) Matter is made up of extremely small particles. B) There is no space between particles of matter. C) The particles of matter are continuously moving. D) The particles of matter attract each other. Show Answer Correct Answer: B) There is no space between particles of matter. ← 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