Measurement of Time
Measurement of Time: Overview
This Topic covers sub-topics such as Time, Pendulum, Oscillatory Motion, Unit of Time, Mean Position, Time Period of Pendulum and, Some Ancient Time Measuring Devices
Important Questions on Measurement of Time
Which of these is the largest unit of time?
In how much time does a train covers a distance of if the train is moving with a speed of ?
The position of the bob when it is at rest is called its extreme position.
The position of the bob of the simple pendulum when it is at _____ is called its mean position.
Draw the diagram of a simple pendulum and show the mean position in the oscillatory motion of the pendulum.
It is always important to value time and perform things on a schedule. Discuss.
In earlier times, people took the help of watches and clocks to measure time.
The time measured by _____ (pendulum/quartz) clocks is much more accurate than that by the clocks available earlier.
Match the statements in column (a) with those in column (b).
| column(a) | column (b) |
| motion of car | rotational motion |
| motion of fan plate | oscillatory motion |
| motion of swing | straight line motion |
| top speed | circular speed |
When the stop watch is used for measurement of time?
Earlier people measured time by simply looking at the sun and the moon.
The metallic ball in a simple pendulum is called the _____ (bob/armature).
Motion of a child on a swing is _____.
Name the type of the motion in case of to and fro about its position of rest:
