MCQ Questions for Class 7 Science Chapter 13 : NCERT solutions for Class 7 Science MCQs Chapter 13 “Motion and Time” with Answers PDF Free Download prepared here according to the latest CBSE syllabus and NCERT curriculum. Class 7 Science MCQs Multiple Choice Questions for all Chapter.
MCQ Questions for Class 7 Science Chapter 13 Motion and Time with answer PDF
Q1. The most well known periodic motion is that of
(a) sundial
(b) stop watch
(c) simple pendulum
(d) sand clock
Answer: (c) Simple pendulum
Q2. If a pendulum is vibrating at 10 Cycles−1, its time period is
(a) 1 sec
(b) 0.1 sec
(c) 0.5 sec
(d) 0.01 sec
Answer: (b) 0.1 sec
Q3. Nearly all the clocks make use of
(a) straight line motion
(b) periodic motion
(c) random motion
(d) circular motion
Answer: (b) periodic motion
Q4. 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
Answer: (d) 12 hours
Q5. 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
Answer: (b) 10 m/s
Q6. The rate of change in position of a body is called
(a) Speed
(b) Acceleration
(c) Rest
(d) Motion
Answer: (a) Speed
Q7. 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
Answer: (a) 2.1 s
Q8. 72 km/h m/s:
(a) 72 m/s
(b) 20 m/s
(c) 36 m/s
(d) 12 m/s
Answer: (b) 20 m/s
Q9. The standard unit of time is:
(a) hour
(b) minute
(c) second
(d) all of these
Answer: (c) second
Q10. The distance moved by the object in a unit time is:
(a) time
(b) distance
(c) speed
(d) can’t say
Answer: (c) speed
Q11. The speed of the vehicle is recorded by
(a) Ammeter
(b) Odometer
(c) Speedometer
(d) Voltmeter
Answer: (c) Speedometer
Q12. Time period of a simple pendulum depends upon its
(a) weight of bob
(b) length
(c) both (a) and (b)
(d) None of these
Answer: (b) length
Q13. 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
Answer: (d) 5 s/m
Q14. The basic unit of speed is:
(a) km/min
(b) m/min
(c) km/h
(d) m/s
Answer: (d) m/s
Q15. 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
Answer: (d) Blinking of eyes
Q16. The clock used now a days are:
(a) quartz
(b) minute
(c) second
(d) all of these
Answer: (a) quartz
Q17. 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
Answer: (b) 7.2
Q18. 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
Answer: (d) change in weight
Q19. On which axis is dependent variable represented?
(a) x-axis
(b) y-axis
(c) On any axis
(d) Depends on the data
Answer: (b) y-axis
Q20. 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
Answer: (b) decreased
