2 ms·
1/1.4 * the speed of light :) Moves a bit slower in glass fiber.
by colechristensen 4y ago
1/1.4 * the speed of light :) Moves a bit slower in glass fiber.
- adgjlsfhk1 4y agoif you want to be pedantic, it is the speed of light. Just not the speed of light in vacuum :)
- Dylan16807 4y agoI don't really agree. If you say "the" speed of light and don't make other qualifications, that means c.