5658General KnowledgeMedium
The exact time taken by the earth for single rotation on its own axis is?
A23 hrs 56 minutes 4.09 sec
B24 hrs 35 sec
C24 hrs
D23 hrs 50 minutes 7.2 sec
Correct answer
A. 23 hrs 56 minutes 4.09 sec
Explanation
The exact time taken by the earth for single rotation on its own axis is 23 hrs 56 minutes 4.09 sec. Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 minutes, and 4 seconds with respect to other, distant, stars. Earth’s rotation is slowing slightly with time thus, a day was shorter in the past.