Fit the following words into the space provided (10 pts.)

Index of refraction incidentray optical density refracted ray medium refraction light
speeds away media


When _________ passes at an angle from less dense ________ to another medium of greater ____________, it is bent toward the normal ray. When it passes at an angle from a denser to less dense medium, the ray of light is bent ________from the normal this phenomenon is called __________.
The ____________, ______________, and the normal line all lie on the same plane.
The __________________ for a particular medium is always independent of the angle of incidence. Light travels in different ___________in different ____________.




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