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By Maitree Choube
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Updated on 26 Aug 2025, 17:31 IST
The physics concepts of motion and time are crucial to Class 7 students because these concepts form the basis of more complex concepts in physics. Motion refers to the change in the position of an object with respect to its surroundings over a period, while time is the ongoing and continuous sequence of events that occur in an apparently irreversible succession. These concepts are crucial for comprehending the natural world and the principles governing the movement of objects.
The Motion and Time Class 7 MCQ section is designed to test students' knowledge and understanding of these fundamental concepts. By engaging with these questions, students can reinforce their learning, identify areas that need further clarification, and prepare effectively for their exams. This comprehensive set of questions covers various aspects of motion and time, ensuring a well-rounded grasp of the topics.
Question 1. A car travels at a speed of 40 km/h. How long will it take to travel between two cities that are 480 km apart?
(a) 10 hours
(b) 11 hours
(c) 14 hours
(d) 12 hours
Answer:
(d) 12 hours
It takes the car 12 hours to travel 480 km at 40 km/h.
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Question 2. Convert 72 km/h to meters per second:
(a) 72 m/s
(b) 20 m/s
(c) 36 m/s
(d) 12 m/s
Answer:
(b) 20 m/s
72 km/h converts to 20 m/s.
Also Check: Class 7 Science Important Questions
Question 3. What is the standard unit of time?
(a) hour
(b) minute
(c) second
(d) all of these
Answer:
(c) second
The standard unit of time is the second.
Question 4. Which type of clock is most commonly used in modern times?
(a) quartz
(b) minute
(c) second
(d) all of these
Answer:
(a) quartz
Quartz clocks are widely used today because they are accurate, reliable, and affordable
Question 5. How does increasing the weight of the pendulum bob affect its time of oscillation?
(a) increases
(b) decreases
(c) no change
(d) can’t say
Answer:
(b) decreases
Increasing the bob's weight decreases the oscillation period of a pendulum.
Also Check: Class 7 Science MCQs
Question 6. What is the standard unit of length?
(a) metre (‘m’)
(b) kilometre
(c) m/s
(d) km/h
Answer:
(a) metre (‘m’)
Standard unit of length = meter (‘m’).
Question 7. What is the standard unit of mass?
(a) ‘kg’
(b) mg
(c) g
(d) none of these
Answer:
(a) ‘kg’
Standard unit of mass = kilogram (‘kg’).
Question 8. What is the standard unit of temperature?
(a) ‘Kg’
(b) F
(c) °C
(d) K
Answer:
(d) K
The Kelvin (K) is the standard unit of temperature.
Question 9. Which equation represents distance correctly?
(a) D = S x T
(b) D = Ts
(c) D = sT
(d) D = 1T×S
Answer:
(a) D = S x T
Distance is given by the equation D = S x T.
Question 10. Which formula correctly calculates time?
(a) t = d x s
(b) t = sd
(c) t = ds
(d) t = 1s×d
Answer:
(c) t = ds
Time is calculated using the formula t = ds.
Question 11. What is the distance moved by an object in a unit time called?
(a) time
(b) distance
(c) speed
(d) can’t say
Answer:
(c) speed
The distance an object moves in a unit of time is called speed.
Question 12. What kind of motion does an object have if it covers equal distances in equal time intervals?
(a) non-uniform motion
(b) uniform motion
(c) oscillation
(d) none of these
Answer:
(b) uniform motion
An object that covers equal distances in equal time intervals is in uniform motion.
Question 13. What device measures the speed of vehicles?
(a) odometer
(b) graph
(c) speedometer
(d) none of these
Answer:
(c) speedometer
A speedometer measures the speed of vehicles.
Question 14. What is the to-and-fro motion of a particle about its mean position called?
(a) intervals
(b) vibration
(c) pendulum
(d) can’t say
Answer:
(b) vibration
The to-and-fro motion of a particle is called vibration.
Question 15. What is a common example of periodic or oscillatory motion?
(a) interval
(b) pendulum
(c) simple pendulum
(d) speedometer
Answer:
(c) simple pendulum
A simple pendulum is a common example of periodic or oscillatory motion.
Question 16. Which of the following is an example of circular motion?
(a) motion of a child on a see-saw
(b) motion of a car on a straight road
(c) motion of an electric bell hammer
(d) motion of a child on a merry-go-round
Answer:
(d) motion of a child on a merry-go-round
A child on a merry-go-round exhibits circular motion.
Question 17. A car takes 2 hours to travel 120 km. What is its average speed?
(a) 40 km/h
(b) 50 km/h
(c) 60 km/h
(d) 70 km/h
Answer: (c) 60 km/h
Average speed = Total distance ÷ Total time = 120 ÷ 2 = 60 km/h
Question 18. Which unit is commonly used to measure very short time intervals, like in a race?
(a) Hour
(b) Minute
(c) Second
(d) Millisecond
Answer: (d) Millisecond
Question 19. The hands of a clock show which type of motion?
(a) Oscillatory motion
(b) Circular motion
(c) Random motion
(d) Rectilinear motion
Answer: (b) Circular motion
Question 20. Which device in vehicles shows both speed and distance travelled together?
(a) Barometer
(b) Stopwatch
(c) Speedometer-odometer combination
(d) Thermometer
Answer: (c) Speedometer-odometer combination
Question 21. What is the time taken by the Earth to make one revolution around the Sun called?
(a) day
(b) week
(c) month
(d) year
Answer:
(d) year
The Earth takes one year to make one revolution around the Sun.
Question 22. What do we call the motion of a vibrating particle from one extreme position to another about its mean position?
(a) speed
(b) circulation
(c) oscillation
(d) none of these
Answer:
(c) oscillation
The motion of a vibrating particle is called oscillation.
Question 23. What kind of motion does a simple pendulum exhibit?
(a) periodic motion
(b) circular motion
(c) linear motion
(d) none of these
Answer:
(a) periodic motion
A simple pendulum exhibits periodic motion.
Question 24. What does an odometer measure?
(a) speed
(b) distance
(c) motion
(d) none of these
Answer:
(b) distance
An odometer measures distance.
Question 25. What type of motion does the hammer of an electric bell exhibit?
(a) circular motion
(b) vibratory motion
(c) linear motion
(d) periodic motion
Answer:
(b) vibratory motion
The hammer of an electric bell exhibits vibratory motion.
Question 26. What is the unit of speed for a train?
(a) meter per hour
(b) meter per second
(c) kilometer per hour
(d) mile per second
Answer:
(c) kilometer per hour
The unit of speed for a train is kilometer per hour.
Question 27. Which equation correctly represents speed?
(a) Speed = Distance X Time
(b) Speed = Distance / Time
(c) Speed = Time / Distance
(d) Speed = 1 / (Distance X Time)
Answer:
(b) Speed = Distance / Time
Speed is calculated as Speed = Distance / Time.
Question 28. Which of the following statements is correct?
(a) The basic unit of time is the second
(b) Every object moves with a constant speed
(c) The distance between two cities is measured in meters
(d) The time period of a given pendulum is not constant
Answer:
(a) The basic unit of time is the second
The basic unit of time is the second.
Question 29. What does the graph between distance and time for a body at rest look like?
(a) a straight line parallel to the distance axis
(b) a straight line parallel to the time axis
(c) a curved line
(d) a straight line
Answer:
(b) a straight line parallel to the time axis
For a body at rest, the graph is a straight line parallel to the time axis.
Question 30. A car covers a distance of 220 km in 4 hours. What is its speed?
(a) 50 km/h
(b) 55 km/h
(c) 224 km/h
(d) 880 km/h
Answer:
(b) 55 km/h
The speed of the car is 55 km/h.
Question 31. What is the S.I. unit of speed?
(a) m/s
(b) km/min
(c) km/h
(d) km/s
Answer:
(a) m/s
The S.I. unit of speed is m/s.
Focus on types of motion (uniform and non-uniform), measurement of time, speed formula (Speed = Distance/Time), use of distance-time graphs, and simple pendulum concepts. These are commonly tested in MCQs.
Important formulas for Class 7 Science Chapter include:
Speed = Distance ÷ Time
Time = Distance ÷ Speed
Distance = Speed × Time
Also, know how to read and interpret distance-time graphs for quick answers.
Yes, Questions are always asked about the time period of a simple pendulum and how it is related to the length and gravity, and that the mass of the bob doesn’t affect the time of oscillation.
Uniform motion means equal distance in equal time
Non-uniform motion means unequal distance in equal time
MCQs usually give examples or ask you to identify the type based on a short scenario or graph.
Students can be tested about units of time (seconds, minutes, hours), devices that measure time (clocks, stopwatches, sundials), and historical tools like the sand clock or water clock. Quartz clocks are also a trending topic.