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Refraction of Light Lab Report

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  • Essay length: 922 words
  • Submitted: 12/05/2009
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AS and A Level Microscopes & Lenses

The first 200 words of this essay...

David Urlanda

Physics Lab Report

Refraction of Light - Air into Glass

Purpose:

When light travels through different mediums, it is being refracted. The purpose of this lab is to test Snell's law of refraction.

Hypothesis:

The angles of refraction that I predicted from the angle of incidences by using Snell's Law are below on the predicted angle Column. To obtain these values I used the index of refraction of crown glass because it is more likely close to the glass (plexiglass) that we are using.

Angle of Incidence



10°

20°

30°

40°

50°

60°

Predicted angle of refraction

0

6.56°

13.0°

19.2°

25.02°

30.27°

34.74°

Variables and Controls:

Independent Variable: The angle of the light coming from the ray box or the angle of incidence

Dependent Variable: The angle of refraction on the plexiglass.

Controls: The mediums where light travels (air and plexiglass).

Materials:

- ray box

- plexiglass

- white paper, protractor and pencil

Procedure:

1. I folded

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