Reflection and Refraction of Light Essay

п»їObjective

The purpose of this experiment should be to prove the laws of reflection and refraction, and also to determine the angle of the total inside reflection as well as the index of refraction inside the experiment.

Theory

The theory getting experimented with this procedure is Willebrord Snell. From his theory we understand that the incident ray, the normal series and the refracted ray almost all lie on a single plane. All of us also realize that the relationship can be defined in a ratio with all the following formula;

Which means that precisely the sine of the position of incidence to the sine of the angle of refraction, I corresponding to the ratio of the velocity of light in the original channel and the exceedingly fast in the refracting medium.

Method

We build the optical technologies track, source of light and the ray table. We then aligned the smooth side with the mirror with all the ray of light from the light source. We rotated the beam table in increments of 10В МЉ. The first set were done going clockwise. Once carried out we then simply did a similar thing but heading counterclockwise. This gave us the Sides of Representation. FromThe two Angles of Reflection we were able to determine the average Perspectives of Expression, listed in Table 1 . Intended for the Law of Refraction, we replaced the mirror with a Acrylic cylindrical lens. We all rotated the ray stand clockwise by simply increments of 10МЉ again. We repeated the same measurements but instead with counterclockwise angles. In the two aspects of refraction we were in a position to calculate the typical angles of refraction. Finally, we in-line the level side from the lens in order that incoming light ray struck the cylindrical surface. We all rotated the ray table until the refracted ray faded completely in support of the reflected ray was visible. This is actually the angle of incidence. This gave all of us our position of chance theoretical benefit. From this we were also in a position to calculate the angle of refraction.

Outcomes

Table 1 – The Law of Reflection

Angle of incidence

Position of reflection...



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