Motion and Time

The time period of a simple pendulum is the time taken by it to travel from

• A to B and back to A

• O to A, A to B and B to A

• B to A, A to B and B to O

• A to B

Nearly all the clocks make use of

• straight line motion

• periodic motion

• random motion

• circular motion

Time period of a simple pendulum depends upon its

• weight of bob

• length

• both (a) and (b)

• None of these

Which of the following cannot be used for measurement of time?

• A leaking tap

• Simple pendulum

• Shadow of an object during the day

• Blinking of eyes

The distance covered by an object in a ………………… is called its speed.

In a simple pendulum, the metallic ball suspended by thread is called its …………………

The basic unit of time is second.

• True

• False

Periodic events are used for the measurement of time.

• True

• False

The S.I unit of speed is ___________________________

Distance travelled by a vehicle is measured by an instrument called__________________