A nanosecond (ns) is a unit of time in the metric system, equal to one billionth (10-9) of a second (s). The second is the base unit of time in the International System of Units (SI), making the ...

This list below shows the units we use to measure time. It also shows the conversion from one unit to another. a) How many minutes are there in \(6\) hours? b) How many hours are there in a week?

Class 11 Physics Notes for Chapter 2 Units and ... In view of the tremendous accuracy in time measurement, the SI unit of length has been expressed in terms the path length light travels in ...