Question

What is known as jiffy?

Answer 1

1. Definition: Jiffy is the amount of time it requires illumination to traverse one fermi, which would be roughly the size of a nucleon. That implies there is approximately $300,000\mathrm{billion}$ jiffy in such a second.
2. Jiffy is defined by Edward R. Harrison.
3. A jiffy is generally defined as the amount of time it takes light to travel $\mathrm{one}\mathrm{centimeter}$.