Crossword Clue:

Time it takes light to travel 3 mm Abbr

We have found 6 answers to crossword clue "Time it takes light to travel 3 mm Abbr"
Best Answer: 10/10

Answer	Crossword Clue
PSEC	Time it takes light to travel .3 mm: Abbr.
PSEC	Time it takes for light to travel .3 mm
NSEC	Approx. time it takes for light to travel one foot

NSEC	Roughly, time it takes for light to travel one ft.
MSEC	How long it takes light to travel 186 mi.
NSEC	About how long it takes light to travel a ft.