Consider a light ray that transitions from a material with a higher index of refraction to a material with a lower index of refraction. a. Does this ray speed up or slow down? b. Does it bend toward the normal line or away from the normal line? (i.e. is 0, > 02 or 8, > 0,?)

Consider a light ray that transitions from a material with a higher index of refraction to a material with a lower index of refraction. a. Does this ray speed up or slow down? b. Does it bend toward the normal line or away from the normal line? (i.e. is 0, > 02 or 8, > 0,?)

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter17: Reflections And Mirrors

Section17.1: Reflection From Plane Mirrors

Problem 3PP

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Concept explainers

Applications Of Reflection Of Light

When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.

Sign Convention for Mirrors

A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.

Question

Consider a light ray that transitions from a material with a higher index of refraction to a material with a
lower index of refraction.
a. Does this ray speed up or slow down?
b. Does it bend toward the normal line or away from the normal line? (i.e. is 0, > 02 or 8, > 0,?)

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