The average of all solar days in which the earth completes one rotation on its axis is called the mean solar day. The mean solar day is divided into twenty-four equal intervals and each interval is called an hour.
The average of all solar days in which the earth completes one revolution around the sun is called mean solar day.
Complete the following :
(a) 1 nano second = ..............................S.
(b) 1μs =................................S.
(c) 1 mean solar day = ................................S.
(d) 1 year =.................................S.