Motion and Time MCQs with answers

Dear candidates you will find MCQ questions of 7th Class - Science | Chapter: Motion and Time here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
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Q. The most well known periodic motion is that of
  • (A) sundial
  • (B) stop watch
  • (C) simple pendulum
  • (D) sand clock
💬 Discuss
✅ Correct Answer: (C) simple pendulum
Q. The speed of a car is 40 km/h. What is time taken to reach from one city to another city if the distance between the two cities is 480 km
  • (A) 10 hours
  • (B) 11 hours
  • (C) 14 hours
  • (D) 12 hours
💬 Discuss
✅ Correct Answer: (D) 12 hours
Q. A bus travels 54 km in 90 minutes. The speed of the bus is
  • (A) 0.6 m/s
  • (B) 10 m/s
  • (C) 5.4 m/s
  • (D) 3.6 m/s
💬 Discuss
✅ Correct Answer: (B) 10 m/s
Q. 72 km/h will be in m/s
  • (A) 72 m/s
  • (B) 20 m/s
  • (C) 36 m/s
  • (D) 12 m/s
💬 Discuss
✅ Correct Answer: (B) 20 m/s
Q. The speed of the vehicle is recorded by
  • (A) Ammeter
  • (B) Odometer
  • (C) Speedometer
  • (D) Voltmeter
💬 Discuss
✅ Correct Answer: (C) Speedometer
Q. The correct symbol to represent the speed of an object is:
  • (A) 5 m/s
  • (B) 5 mp
  • (C) 5 m/s-1
  • (D) 5 s/m
💬 Discuss
✅ Correct Answer: (D) 5 s/m
Q. The clock used now a days are
  • (A) quartz
  • (B) minute
  • (C) second
  • (D) all of these
💬 Discuss
✅ Correct Answer: (A) quartz
Q. Physical quantity which we can’t obtain from a distance- time graph is
  • (A) speed
  • (B) time taken
  • (C) change in position
  • (D) change in weight
💬 Discuss
✅ Correct Answer: (D) change in weight
Q. On which axis is dependent variable represented?
  • (A) x-axis
  • (B) y-axis
  • (C) On any axis
  • (D) Depends on the data
💬 Discuss
✅ Correct Answer: (B) y-axis
Q. Nearly all the clocks make use of
  • (A) straight line motion
  • (B) periodic motion
  • (C) random motion
  • (D) circular motion
💬 Discuss
✅ Correct Answer: (B) periodic motion
Q. 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
💬 Discuss
✅ Correct Answer: (A) 2.1 s
Q. Which of the following cannot be used for measurement of time?
  • (A) A leaking tap
  • (B) Simple pendulum
  • (C) Shadow of an object during the day
  • (D) Blinking of eyes
💬 Discuss
✅ Correct Answer: (D) Blinking of eyes
Q. Time period of a simple pendulum depends upon its
  • (A) weight of bob
  • (B) length
  • (C) both (a) and (b)
  • (D) None of these
💬 Discuss
✅ Correct Answer: (B) length
Q. When weight of bob in a pendulum is increased then the oscillation period of a pendulum is
  • (A) increased
  • (B) decreased
  • (C) no change
  • (D) can’t say
💬 Discuss
✅ Correct Answer: (B) decreased
Q. Boojho walks to his school which is at a distance of 3 km from his home in 30 minutes. On reaching he finds that the school is closed and comes back by a bicycle with his friend and reaches home in 20 minutes. His average speed in km/h is
  • (A) 8.3
  • (B) 7.2
  • (C) 5
  • (D) 3.6
💬 Discuss
✅ Correct Answer: (B) 7.2
Q. The basic unit of speed is
  • (A) km/min
  • (B) m/min
  • (C) km/h
  • (D) m/s
💬 Discuss
✅ Correct Answer: (D) m/s
Q. The distance moved by the object in a unit time is
  • (A) time
  • (B) distance
  • (C) speed
  • (D) can’t say
💬 Discuss
✅ Correct Answer: (C) speed

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Table of contents

  1. The most well known periodic motion is that of
  2. The speed of a car is 40 km/h. What is time taken to reach from one city to another city if the dist
  3. A bus travels 54 km in 90 minutes. The speed of the bus is
  4. 72 km/h will be in m/s
  5. The speed of the vehicle is recorded by
  6. The correct symbol to represent the speed of an object is:
  7. The clock used now a days are
  8. Physical quantity which we can’t obtain from a distance- time graph is
  9. On which axis is dependent variable represented?
  10. Nearly all the clocks make use of
  11. A simple pendulum takes 42 sec. to complete 20 oscillations. What is its time period?
  12. Which of the following cannot be used for measurement of time?
  13. Time period of a simple pendulum depends upon its
  14. When weight of bob in a pendulum is increased then the oscillation period of a pendulum is
  15. Boojho walks to his school which is at a distance of 3 km from his home in 30 minutes. On reaching h
  16. The basic unit of speed is
  17. The distance moved by the object in a unit time is

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