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Q: When a beam of light passes into a material of lower optical density the angle of incidence is what?
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When a beam of light passes at an oblique angle into a material of lower optical density the angle if incidence is what?

less than the angle of refraction.


When a beam of light passes at an oblique angle into a material?

The result of a beam of light passing through a material relies entirely on the optical density of the material. If its density is lower than air, then the angle of incidence will be less (more acute) than the angle at which it enters. The opposite is true for a material with higher optical density.


When a beam of light passes at an oblique angle into a material of lower optical densitythe angle of incidence is?

greater than the angle of refraction


What does the term density and refractive index mean?

The optical density of a medium is not the same as its physical density. The physical density of a material refers to the mass/volume ratio. Optical density determines how much a light wave is slowed down as it passes through a medium. The more optically dense a material is, the slower that a wave will move through the material.The refractive index is a measurement of optical density. A medium with a low optical density, would have also a low refractive index.For example air, having a low optical density has a refractive index of 1.0003, whereas water, with a higher optical density, has a higher refractive index of 1.333.


What is the difference between material density optical density?

I was also looking for the answer to this question. I decided to see what Wikipedia had to say about it, and found this: http://en.wikipedia.org/wiki/Absorbance This article kinda explains how they are related. Good luck!


When a beam of light passes at an oblique angle into a material of lower optical density?

The angle of incidence is the angle at which a ray of light (which is not at right angles to a surface) strikes a surface. The angle of refraction is the angle at which a ray of light, having passed through a surface, travels through the body of a substance. Normally the angle of incidence and the angle of refraction are not the same.


Why does the light bend as it passes from air to glass or from glass to air?

This is due to the difference in optical density.


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


The bending of light as it passes into a transparent material of different optical intensity is known as?

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'


What happens when light passes through glass with the same optical density as air?

Nothing. It continues to travel in a straight line.


When a beam of light of passes at an oblique angle into a material of lower optical desity?

less than the angle of refraction


When light passes from a low density object to a high density object its speed will?

bend towards the normal or it's speed will decrease