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- 1. Multiple Choice
The most appropriate unit for expressing the speed of a space rocket is:
m/s
km/s
km/h
km/min
- 2. Multiple Choice
The instrument installed in a car for measuring the distance travelled by the car is called:
barometer
speedometer
anemometer
odometer
- 3. Multiple Choice
The measurement of small time intervals became possible with the development of :
sand clock
sundial
pendulum clock
water clock
- 4. Multiple Choice
The slope of a distance-time graph of a moving object indicates:
distance moved by the object
time taken by the object
speed of the object
position of the object
- 5. Multiple Choice
The clocks and watches which are used for measuring time are based on :
Rectilinear motion
circular motion
periodic motion
rotational motion
- 6. Multiple Choice
The distance moved by an object in a unit time is called
Distance
Displacement
Time
Speed
- 7. Multiple Choice
The distance-time graph of vehicle moving with constant speed is a ________ line
Curved
horizontal
straight
parallel
- 8. Multiple Choice
The time taken by the pendulum to complete one oscillation is called its
duration
displacement
time interval
time - period
- 9. Multiple Choice
The to and fro motion of a simple pendulum is an example of _________ motion.
Rectilinear
curvilinear
circular
oscillatory
- 10. Multiple Choice
A bus takes 30 minutes to travel a distance of 25 kilometers. The speed of the bus in km/h is :
55 km/h
50 km/h
5 km/h
75 km/min
- 11. Multiple Choice
Which one of the following is a time measuring device:
sundial
odometer
speedometer
barometer
- 12. Multiple Choice
SI unit of time is:
minute
hour
second
mili seconds
- 13. Multiple Choice
A simple pendulum takes 32 seconds to complete 20 oscillations. The time period of this pendulum is:
12 seconds
1.6 seconds
1.8 seconds
52 seconds
- 14. Multiple Choice
The speed of an object can be represented by:
Pie chart
bar graph
distance-time graph or line graph
histograms
- 15. Multiple Choice
Which of the following is correct:
Speed= distance / time
distance = speed / time
time= speed / distance
speed = distance+ time
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