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The speed of light is a universal constant through a vacuum meaning it is traveling through zero resistance and it travels in a straight line. If you do an experiment and send a photon through water(pure H^2O) a set distance of lets say 1 meter the photon will travel to the end point slower than in the vacuum of space. Think about it light is effected by gravity, when it passes near the earths it changes direction towards the earth there is so much stuff in water that this happens to light at frequent rates, so the light takes longer to get to the end point but its actual travel speed is the same as in a vacuum. Think about it this way 2 people are both running at 8 miles an hour. Each person has the same start point and the same end point . the distance to the end point is 1mile. person A travels in a straight line. person B zig zags. You see although both are traveling at the same speed person A gets there faster. if the pressure and density of a liquid is identical than the travel speed of light from start to finish is the same in all experiments but regardless the final distance take much more time than in a vacuum.
What else can I help you with?
Light travels three-fourths as fast through water as it does through a vacuum What is water's index of refraction?
1.331.33
does light travels three-fourths as fast through water as it does a vacuum. what is water's index in refraction?
Water's index of refraction is 1.333
How fast does light move through water?
Light travels through water at a speed of about 225,000 kilometers per second, which is approximately 25% slower than its speed in a vacuum.
Explanation on how fast light travels?
light travels very fast! it travels in the form of waves.
What does light travel through quickly?
Light travels quickly through a vacuum at a speed of approximately 186,282 miles per second. In other mediums, such as air or water, light travels at a slightly slower speed, but still very fast compared to other things.
What travels faster through water light or sound?
Light travels faster through anything than sound does.Light also travels through a few things that sound can't.Light is around 150,000 times as fast.
How fast does light travel in ethyl alcohol?
It travels at approx 220,000,000 metres per second.
How fast does sound travel through liquids?
well, I've been told that it travels through water at about 3400mph.
How fast does light travel than sound?
it is 3.5 billion times fast in a milli-second I don't know where this answer came from or what it means BUT - sound travels at roughly 700 mph in air at sea level; - light travels at 186,000 miles per second in a vacuum; - assuming we compare sound in air (as it can't travel in a vacuum) and light in a vacuum (as it can slow through a medium such as air or water), then light travels at 830,000 times the speed of sound.
How fast can sound travel through sea water?
it travels pretty fast at about 266.5 miles per second. its pretty cool.
What is called when light is trapped?
Light travels at an extremely fast rate of 300000000m/s, it can be trapped only by a black hole as it does not allow light to escape through it.
What is white light and how fast does it travel?
White light is simply a mix of red, green, and blue light. In a vacuum, all light travels at the speed of light (about 300,000 km per second), but it slows down a bit when passing through matter (glass, water, etc.).
