Determine the number of seconds there in a day.(Hint : 1 day = 24 hrs , 1 hour = 3600 sec)

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

All the clocks make use of some periodic motion.

Time period of a simple pendulum depends upon its

The clocks and watches which are used for measuring time are based on :

The time taken by the pendulum to complete one oscillation is called its

Which of the following cannot be used for measuring time?

The measurement of small time intervals became possible with the development of :

The to and fro motion of a simple pendulum is an example of _________ motion.

Which one of the following is a time measuring device:

SI unit of time is:

A simple pendulum takes 32 seconds to complete 20 oscillations. The time period of this pendulum is:

The fact that the time period of a simple pendulum remains same is used in ............clock

The marks on a sun dial show __________ intervals

A shadows length is the shortest at ___________

What time is it in picture A

What time is it in picture B

What time would there be no shadow?

Shadows are longest during _______.