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Answered 2012-01-08 16:52:49

The ray of light will bend towards the normal line.

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What happen if ray of light travels from a rarer medium to a denser medium?

It bends towards the normal if it does not hit with zero angle of incidence. Zero angle of incidence is called normal (perpendicular) to the (in this case) denser medium.

When light travels from a denser medium to a rarer medium it bends away from the normal Is it possible for the light ray to reflect back in the same medium?

Yes, at the critical angle, all of the light will reflect, and will not leave the medium.

Is there a pattern that describes the path of light during refraction?

Yes, Light bends towards the normal when it travels from air to another medium and bends away when going into air from another medium. This can be affected by the angle of incidence and what angle it is.

What are characteristics of refraction?

1. When a ray of light travels obliquely from an optically rarer medium to an optically denser medium,it bends towards the normal at the point of incidence. in this case,angle of incidence is greater than the angle of refraction...

Is the angle of incidence is greater than the angle of refraction when light passes from a less dense to denser medium?

If you meant optical density by the term 'denser ' Then the answer is.... The light bends towards normal when it travels from a optically less dense medium to optically dense medium. So angle of incidence is greater than the angle of refraction

When light rays enter a medium at an angle they?

The light rays will refract towards the normal of the medium and emerge out at the same angle.

How do light refract?

when light travels from rarer medium(which has relatively lower density) to a denser medium(which is of relatively higher density) the angle of incident light and refracted light is less than 180 degree(when the angle is considered at the point of incidence) and when the light travels from a denser to a rarer medium the angle will be greater than 180 degree.

What happens to a beam of light if it travels through less dense medium?

The ray of light bends towards the normal line.The reason is the light in the more dense reagion has slower speed. The relation is given in the laws of signs: sin(incident angle)/incident speed =sin(refracted angle )/dense speed sin(I)/vi=sin(dense)/vd

Why total internal refraction only occurs when light travels from a slow medium to a fast medium?

Light is refracted away from the normal while passing from denser(slow) medium to a rarer(fast) medium.At one angle called the critical angle the angle of diffraction is 900.After this the ray diffract at an angle greater than 90 i.e. it comes back to the slow medium.Whereas from faster to slower medium the rays bend towards the normal.Thus avoiding the possibility of coming back to the slow medium.

What happens when light travels from air into water at an angle?

Light will undergo refraction, and the light rays will bend towards the normal, because it is entering an optically denser medium. In this case, the angle of refraction will be smaller than the angle of incidence. In addition, the speed of light will be reduced when travelling in water.

How do you calculate refractive index?

Refractive index of a medium = speed of light in air / speed of light in medium If a ray of light passes from air into that medium then the refractive index (R.I) can be given by: R.I = sin(angle in air) / sin(angle in medium) Angle in air is the angle between the ray of light and the normal in air.

Why angle of incidence is taken with the normal in reflection of light?

In the case of reflection, it makes little difference whether it is the angle with regard to the normal or the tangent to the surface since these are simply complementary angles. However, when studying refractions, there is a simpler relationship in the direction of the light ray in terms of the angle relative to the normal.Furthermore many mirrors do not reflect at their surface: the light ray travels through some thickness of glass before hitting the reflecting surface, and the travels through a the medium again before returning to the basic medium: air. There may be times - particularly with thicker glass - when refraction needs to be factored into the calculation of the path of the light beam.

What happens when a refracted ray becomes perpendicular to the normal line?

This is total internal reflection where the angle of refraction is 90 degrees and its incident angle would be the critical angle(angle of incident for which the angle of refraction is 90).... This hapens when the angle of incidence is in a medium more dense than the angle of refraction's medium

What happens to a ray of light when it travels from a more dense medium into a less dense medium?

It will be refracted accordingly, based on Snell's law. In this case, the angle of incidence is smaller than the angle of refraction, and as it is traveling from a more dense to a less dense medium, it may undergo total internal reflection, provided that the angle of incidence is greater than the critical angle.

What happen when light travel through medium?

When light travels through a transparent medium it is slowed down according to the refractive index of the medium. Also if light is incident at an angle onto a surface of such a material, the light rays are bent or refracted by an angle at the boundary of the material, the angle again depending on the refractive index.

Why does light bend as it travels from one medium to another?

The difference in speed in different mediums cause light to bend from one medium to another if the angle is not 90 degrees.

Why do objects that lie half out of water appear distorted?

refraction -- light has a lower velocity in medium other than a vacuum, where light achieves the highest velocity (~3E8 m/s). In general, the denser the medium, the slower the speed. The actual relation is expressed as Snell's law, which relates the indices of refraction to the angles of entrance and exit relative to the normal. When light travels from one medium to a different medium, the path changes its direction right at the boundary (the angle of incidence is different from the angle of refraction), giving your eyes an illusion of the part of the object submerged in water being located a distance away from its actual location.

Why the ray of light does not bend when it passes normally from rarer medium to denser medium?

Before I can respond to a question like that, you must say something aboutwhy you would expect it to bend.Even Snell's 'Law' does not say that the ray of light must bend when it passesfrom one medium to another. It says only that(refractive index) x (sine of the angle from the normal)in one mediumis equal to(refractive index) x (sine of the angle from the normal)in the other medium.If the light arrives at the interface along the normal, then the angle from the normalis zero, and its sine is zero. That leads directly to a zero sine, and a zero angle inthe second medium, meaning that the light leaves the interface along the normal,i.e. it does not bend when it passes normally across the interface.Now tell me again why you think it should bend.

What is a bending of a wave as it passes at an angle from one medium to another?

When a ray of light travels from one transparent medium into another medium, it bends while crossing the interface, separating the two media. This phenomenon is called refraction.

What will lowering the pH of a medium do to the angle of refraction of light?

The pH has an influence on the refractive index; I suppose that the relation is different for each solution.

Does light travel faster or slower when it travels in a medium?

Light travels slower through a medium. Generaly the dencer the medium the slower light travels. Light travels fastest through a vacuum assuming its speed is not being affected by gravity which also affects the speed of light. Examples. A very very thick piece of glass will appear thinner than it actually is and a streight stick will appear to bend if put into water at an angle.

What happens to the speed of light as it travels from glass to air?

Speed of light through a medium depends on the density of the medium. Speed of light is directly proportional to the density of medium. Air is less dense than glass. So, when light goes into air from glass, the speed of light increases . The angle which the ray makes to the normal increases.

How does light travel when the medium it travels through changes and how does light travel when the medium does not change?

Light travels in straight lines when the medium's density is constant. When light enters a different density perpendicularly, it also travels in a straight line. When light enters a higher density at an angle, it bends towards an imaginary line perpendicular to its pont of entry. When light enters a lower density medium, it bends away from the imaginary perpendicular line. This is seen with objects partially submerged in water. The light exits the water and bends away from its normal path, making the object appear crooked in relation to the unsubmerged portion. Sometimes light will be reflected at the boundary of two mediums. This is seen in optic fibres.

When light changes direction moving from one material to another it is called?

Refraction: light speeding up and slowing down, between mediums. When light travels from a more dense material to a low density material like glass to air, light will be refracted away from the normal. When light travels from a less dense material to high density material, for example from air to water, light will be refracted towards the normal. Similarly, the refracted ray is a ray that shows the direction that light travels after it has crossed over the boundary. In the diagram, a normal line is drawn to the surface at the point of incidence. This line is always drawn perpendicular to the boundary. The angle that the incident ray makes with the normal line is referred to as the angle of incidence. Similarly, the angle that the refracted ray makes with the normal line is referred to as the angle of refraction. The angle of incidence and angle of refraction are denoted by the following symbols: = angle of incidence = angle of refraction --- = Normal 90'

A light wave moves into a new medium at an angle other than 90degrees the medium slows the wave down the wave will do what?

The light will bend towards the normal (normal is a perpendicular line to the surface). This is refraction!

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