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Because it slows down when entering water.
What else can I help you with?
How does water scatter light?
Water molecules scatter light because they are smaller than the wavelength of visible light. When light enters water, it interacts with the molecules, causing it to change direction and spread out in different directions. This scattering of light is what makes the water appear clear or transparent.
What happens when light passes into water?
The light will change directions (to be closer to the normal) once it hits the water. This is known as refraction which is a property of light. In this case, you have 2 media (plural form of medium). The two are air and water. The reason it changes direction is because air allows a different speed of light than water. Water is denser which is why light can't travel as fast. This change in the speed of light is what causes the light to change direction once it hits the water. In conclusion, after light hits the water, it will change directions (to be closer to the normal) due to the fact that the medium is changed(from air to water) which results in a change in the speed of light.
Does light bend when it enters in a glass of water?
Yes, light bends when it enters a glass of water due to the change in speed as it moves from air into water, causing it to refract. This bending of light is known as refraction.
Why does the beam of light change direction when it enters the water?
Because it slows down when entering water.
Why light enters water does it speed up or slow down?
Slows IF it enters the water from air (and not - say - glass).
Why does a beam of light change direction when it enters water?
Because it slows down when entering water.
Which way does light will bend as it enters water from air?
Light will bend towards the normal as it enters water from air, due to the change in speed of light when it moves from one medium to another with a different optical density.
Why does light bend when as it enters the water?
Light bends when it enters water due to a change in its speed caused by transitioning from one medium (air) to another medium with a different optical density (water). This change in speed causes the light waves to refract, or bend, at the boundary between the two mediums.
How does the speed of light change when it enters the water?
That would depend what it enters from. If the light is transitioning from air to water,its speed decreases. If it's going from jello to water, its speed increases.
Why does the wave of light bend toward the normal as it enters water?
The wave of light bends toward the normal as it enters water due to the change in speed of light. Light travels slower in water than in air, causing it to refract towards the normal. This bending of light is governed by Snell's Law.
When light passes from water to air the light rays are what?
If you are referring to a situation in which light is reflected from water back into the air, then the light rays are "polarized." All light rays travel in straight lines, but polarized light is light that enters a medium from many directions, but are exited (reflected or refracted or merely cut out, like in sunglasses) in one direction.
Can light go through water?
The light will change directions (to be closer to the normal) once it hits the water. This is known as refraction which is a property of light. In this case, you have 2 media (plural form of medium). The two are air and water.The reason it changes direction is because air allows a different speed of light than water. Water is denser which is why light can't travel as fast. This change in the speed of light is what causes the light to change direction once it hits the water.In conclusion, after light hits the water, it will change directions (to be closer to the normal) due to the fact that the medium is changed (from air to water) which results in a change in the speed of light.
