Is what the speed of light or light speed. ANSWER 300,000 km/s
speed of light I think well it sounds right:)
the speed of light, commonly denoted as "c", is constant no matter which medium it passes through.
It depends on what kind of filter it is. A blue light filter, will cause the image appear to be bluer, while a red light filter will make the image reddererrr... ^^
Zero (0) light cannot pass through opaque materials.