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How far away would a lamp have to be for its light to take 2 s to reach your eyes?
Wiki User
∙ 14y ago
Light travels 300,000 km. every second.
Light travels 300,000 km. every second.
Light travels 300,000 km. every second.
Light travels 300,000 km. every second.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoLight travels 300,000 km. every second.
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Why is it much more difficult to measure the speed of light than to measure the speed of sound?
It is harder to measure the speed of light simply because it is so fast. The speed of light is 300,000,000m/s, where as the speed of sound is 340m/s. This means that the speed of light is almost 900,000x faster than that of sound.It is for this reason that you will see lightening before you hear it, and why you can use the lag time between the flash and boom to roughly estimate the distance of the lightning strike. For example, if lightening strikes 1km away from where you are standing, it would take about 3 seconds for the thunder to reach your ears (since the speed of sound is 340m/s, which is about 1km/s). The amount of time that it would take for the flash of lightening to reach your eyes is almost negligible: to travel 1km, it would only take light 0.000003s.
What regulates the amount of light entering the eye and gives the eyes its color?
This would be the iris.
Will light blonde hair suit me or not I have no photos sorry but i have bright blue eyes i have fairly pale skin when i was younger i had light blonde hair but now it's more of a dark blonde?
I recommend light brown hair...that would look amazing with blue eyes!But light blond would suit you very nice too!
Why distance of light is important?
Basically parallax, parallel axis, is the angle between two lines of sight. When you focus two eyes on something, your eyes are each looking slightly away from straight ahead. That is the parallax angle. So the farther away something is, the less the parallax angle. It is used in astronomy when a distant object is sighted and then sighted again half a year apart, we know that the earth has moved 2 AU in space, on the opposite side of the sun, and the angle from a fixed reference will provide a parallax angle which can then be used to relate the distance by trigonometry.
How far can a person see in a straight line?
You can see stars that are light-years away. If you want to know the distance of the horizon, this will depend on the height of the spot where you are standing and your own height. There's a calculator at: http://newton.ex.ac.uk/research/qsystems/people/sque/physics/horizon/
Why do jets look so slow in the sky?
Because even as light being very fast, at 30,000 feet in the air it takes the light longer to reach your eyes than it would if the jet was 30 feet away.
Why does the light enter to your eyes?
The light bounces off the object to get into our eyes. Actually there are many beams of light, but they don't all reach to your eyes.
What would you see if your eyes were sensitive only to X-rays?
It would be dark because X-ray light does not reach Earth's surface.
How does light determine an objects's color?
Light determine an object's by the wavelength of light that reach to your eyes.light can reach your eyes after being reflected by an object,transmitted through an object,or emitted by an object.When your eyes receive the light,they send signals to your brain.Your brain interprets the signals as colors.
What is the color that an object appears to be determined by?
It is determined by the wavelengths of light that reach your eyes.
What you see when reflected wavelengths of light reach your eyes?
it sees the color of an object or shine of light
How do the lenses in eyeglasses help people to read?
Eyeglasses work by bending light rays in the eyes of those who can't see well so that they reach the back of the eye properly (called the retina). When the light rays reach the appropriate part of your eyes you see better.
How does light coming form barrys tie reach his eyes in front of a mirror?
the mirror can reflect anything
How do you see a black hole?
Technically, you can't "see" a black hole, since no light can escape from it, therefore the light cannot reach your eyes.
Is the messages to the brain faster than light?
Well, I'm not so sure, but I think I know. Your eyes are in front of your ears, right? Well, light might reach your eyes first. Good Luck!
How do you see things?
how do we see things?...There must be a light source that strikes or shines on the object and reflects and to reach your eyes..,
If you shine a light on a opossum's eyes will it get dazzled?
Yes it would dazzled but you would heart its eyes just don't shine things in there eyes.
