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What else can I help you with?
How fast does light travel in a gas and why?
The speed will depend on the type of gas and on its density.
When light enters a medium with a different refractive index they change speed or direction?
yes , if the light travel from less density to more density the speed will decrease , the direction will change depend on the entered angle
If you could travel at the speed of light and you looked in a mirror would you see your reflection?
That would depend on your speed relative to the mirror. If you were holding it in front of you, yes. If it was stationary and you were passing it, no.
What is 123.23 light years in earth years?
If you are asking how long it would take to travel the distance of 123.23 light years, then that would depend on how fast you are traveling. Because a light year is a measure of distance not time.
What can light travel in?
Light can travel in a vacuum or in any transparent material
How light will travel from medium air to silver?
Light will not travel into silver.
How far in Light years can a Pulsar travel?
As far as light can travel
How fast does light travel through copper?
Copper is opaque to light - light can not travel though it.
How long would it take to get to Uranus if you travel at the speed of light?
That would depend on where you're coming from. If you started at the sun, it would take about 160 minutes. (That's 2hours 40minutes.)
How does how does light travel through opaque material?
it cant travel through light.
Why doesn't light travel through a vacuum?
Light does travel through a vacuum.
Can a person travel at a speed of light?
No. Nothing with mass can travel at the speed of light.
