millisecond
microsecond
nanosecond
picoseconds E. None of the above
Answer is Right!
Answer is Wrong!
The correct answer is: C. nanosecond
A nanosecond is one billionth of a second. It is a unit of time used to measure very short periods of time, such as the time it takes for light to travel across a DNA molecule.
A millisecond is one thousandth of a second. A microsecond is one millionth of a second. A picosecond is one trillionth of a second.
None of the above options are correct.