The speed of 18 Km/hr is equal to
  • 10 m/s
  • 1 m/s
  • 5 m/s
  • 15 m/s
Three objects A, B, C are moving in a straight line. Their distance-time graph is shown below Which of the following is false
class7-science-chapter-13-mcq-3.png
  • A is moving faster than B
  • B is moving slower than C
  • C is moving faster than A
  • B is moving slower than A
which of these is false
  • One microsecond is one millionth of a second
  • nanosecond is one billionth of a second
  • 1 day= 86400 sec
  • None of these
Ramesh takes 30 min from his house to reach his school on a bicycle. if the cycle has speed of .25 m/sec. The distance between his house and school is
  • 500 m
  • 400 m
  • 300 m
  • 450 m
36 km/hr is equivalent to
  • 5 m/s
  • 10 m/s
  • 1 m/s
  • 20 m/s
Match the columns
Odometer Reading Time
38060 km 6:00 PM
38080 km 6:30 PM
38120 km 7:00 PM
  • 60 km/hr
  • 20 km/hr
  • 40 km/hr
  • 30 km/hr
A object covers 1 m in 5 sec, then the speed of object in cm/s
  • 20
  • 10
  • 100
  • 5
A simple pendulum takes 20 sec to complete 10 oscillations. The time period of the Simple Pendulum is
  • .5 sec
  • 2 sec
  • 1 sec
  • 20 sec
which of these is incorrect
  • Sundial is used for measuring Time
  • Simple pendulum is used for measuring time
  • The basic unit of time is seconds
  • Time period of simple pendulum depends on Weight of the bob
Match the column
class7-science-chapter-13-mcq-2.png
  • p -> i ,q -> ii, r -> iii
  • p -> iii ,q -> ii, r -> ii
  • p -> iii, q -> i , r -> ii
  • None of these
Which of this formula is incorrect
  • Speed = distance/time
  • Time = Distance /speed
  • distance = speed/ time
  • Distance = speed * time
The correct symbol to represent the speed of an object is
  • 1 m/s
  • 1 mp
  • 1 m/s-1
  • 1 s/m
The  instrument in a car is used for measuring the distance travelled by car  is
  • Speedometer
  • Barometer
  • Anemometer
  • Odometer
Match the column
class7-science-chapter-13-mcq-1.png
  • p -> iii, q -> I, r-> ii
  • p -> ii, q -> iii, r -> i
  • p -> i, q -> ii, r -> iii
  • p -> iii, q -> ii, r ->i
The time period of a simple pendulum is the time taken by it to travel from(a) A to B and back to A(b) O to A, A to B and B to A(c) B to A, A to B and B to O(d) A to B
  • a)
  • b)
  • c)
  • d)
Nearly all the clocks make use of(a) straight line motion(b) periodic motion(c) random motion(d) circular motion
  • a)
  • b)
  • c)
  • d)
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
  • a)
  • b)
  • c)
  • d)
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
  • a)
  • b)
  • c)
  • d)
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
  • a)
  • b)
  • c)
  • d)
The distance covered by an object in a ………………… is called its speed.
  • unit time
  • unit meter
  • kilometer
  • meter
0 h : 0 m : 1 s

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