Question

What is the S.I. unit of time? Write its relation with a mean solar day​

Answer 1

Answer:

S.I unit of times is second.

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Answer 2

Answer:

unit of time is any specific time interval, used as a standard way of expressing some duration. The SI unit of time is seconds and it is written as ' s '. Formerly, one second could be expressed as 1 / 86400 part of a mean solar day. A mean solar day is the average period of rotation of the Earth on its axis.