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The standard unit of time
second
minute
hour
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The motion which repeats itself regular intervals of time
Linear motion
circular motion
Periodic motion
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The time taken by a simple pendulum to complete one oscillation.
amplitude
Time period
frequency
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The time period of a simple pendulum depends upon
the mass of the bob
the extent to which the bob is displaced
the length of the thread
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If a simple pendulum takes 40 seconds to complete 20 oscillations, its time period is
2 s
0.5 s
4 s
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The distance covered by an object in a unit time.
Speed
Velocity
Frequency
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SI unit of speed
km/hr
km/m
m/s
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The speedometer measures the speed in
km/hr
m/s
m/hr
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The device used to measure the distance covered by a vehicle
speedometer
odometer
anemometer
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The d-t graph for the motion of an object moving with a constant speed is
a curved line
a straight line
a zig-zag line
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If the d-t graph of an object is a straight line parallel to time axis, then the object is in
uniform motion
non-uniform motion
rest
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10 minutes is
600 seconds
60 seconds
0.6 seconds