3 ms·
Typically the speed of light in copper/fibre is about 2/3rds of lights speed in a vacuum Does light travel through copper?
by samdoidge 10y ago
Typically the speed of light in copper/fibre is about 2/3rds of lights speed in a vacuum
Does light travel through copper?
- dest 10y agoBoth light (air, fiber) and electricity (copper) lead to a propagating electromagnetic field.