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Is it true the more a wave changes speed when it refracts the more it bends?
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What can you tell us about the refractive index?
"The refractive index is a measure of how much light bends or refracts when it is passed through a certain medium. The higher the numerical value of the refractive index, the more that light suffers from refraction."
Which colour refracts more in a prism yellow or blue?
Blue refracts the most in a prsm than yellow
How does law of acceleration changes speed?
The LAW of acceleration doesn't change anything; a physical law just describes how things work. Acceleration means change of speed. Or, to me more accurate, it means the rate of change of velocity - in other words, how fast velocity changes.
When white light is passed through prism why is it observed that violet light bends more than red light?
The speed of violet light is slower than the red light in the prism.
Does an objects shape and speed affect friction?
Yes Shapes changes the friction because it changes the surface area among other things. speed affects it is the sense that the object would come in more contact with the air and so the faster it goes the more friction
Refraction causes light to do what?
Refraction is the bending of light when it passes from a dense medium to a differently dense medium. Light therefore finds it easier/more difficult to travel and the speed changes accordingly, which is why it bends.
What can you tell us about the refractive index?
"The refractive index is a measure of how much light bends or refracts when it is passed through a certain medium. The higher the numerical value of the refractive index, the more that light suffers from refraction."
Which colour refracts more in a prism yellow or blue?
Blue refracts the most in a prsm than yellow
Does light change speeds if the source is moving?
The speed of light is constant in its reference plane. You could never observe light moving more slowly, except when it refracts through a transparent medium.
Why is light rafracted when you see a mirage?
Layer of air at different temperatures refracts ("bends") light at different angles. Cold air is more dense than warm, and refracts light at a greater angle. Actually, it is the boundary between layers that does the refracting--poke a stick into a pool of water [or a pencil into a bowl of water] and observe the "broken" appearance. In the atmosphere, this can cause an image to appear "above" its actual location, usually upside down.
How does an increase in speed affect an object?
its position changes more rapidly
How do divers get the bends?
It has to do with the change in pressure on the body. The Bends happen when the body experiences a quick decrease in pressure. We mostly associate The Bends with a diver ascending too quickly from a deep depth back to the surface. But "decompression sickness", as it is more formally called, can happen from changes in altitude, too, or even after exiting mines and going back to the surface.
How does law of acceleration changes speed?
The LAW of acceleration doesn't change anything; a physical law just describes how things work. Acceleration means change of speed. Or, to me more accurate, it means the rate of change of velocity - in other words, how fast velocity changes.
What part of your eye refracts light?
The retina which is where the image from the eye lens is focused. The retina is the reflective part of the eye. That's why cat's eye reflect so well, their retina are more exposed in the night because their pupils (or whatever they are in a cat) open wider than ours exposing more of that mirror at the back, the retina. Meeow!
What happens to a beam of light as it passes from air to water?
When a ray of light passes from air to water, it slows down and the ray of light bends towards the normal to its plane of entry. This is called refraction, the ray of light is refracted. The refractive index of air is less than that of water.
When white light is passed through prism why is it observed that violet light bends more than red light?
The speed of violet light is slower than the red light in the prism.
Does an objects shape and speed affect friction?
Yes Shapes changes the friction because it changes the surface area among other things. speed affects it is the sense that the object would come in more contact with the air and so the faster it goes the more friction
