Question

What is The Smallest Unit Of Measuring Time?​

Answer 1

Second is the smallest unit of time. It is the SI base unit of time. All other units of time can be written in terms of second as below:

1 minute = 60 s

1 hour = 3600 s and so on

Determining Units of Measure

A millimeter is the smallest unit. There are 10 mm in one centimeter, if an object is smaller than one centimeter, you would use millimeters. A scientist measuring something under a magnifying glass might use millimeters to represent a tiny specimen. A centimeter is the next smallest unit

Answer 2

Answer:

Scientific time units

Planck time is the time light takes to travel one Planck length. Theoretically, this is the smallest time measurement that will ever be possible. Smaller time units have no use in physics as we understand it today.