Q. 23.8( 6 Votes )

Which of the following does not express a time interval?
A. A day

B. A second

C. A school period

D. Time of the first bell in the school

Answer :

The ‘time interval’ means that it is the difference between two instants of time. The time of the first bell in the school defines a particular instant of time. It is not a difference between two instants of time. Thus, it is not a ‘time interval’.


All other options like a day, a second or a school period describe a period of time. This period of time is called time interval.

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