Exercise 3: A ray of light is incident on a plane mirror by angle of incidence 40° 1- Sketch the figure ( plane mirror , incident ray SI and the angle of incidence 40°) 2- Draw the normal to the plane mirror IN 3- Determine the angle of reflection r 4- Draw the path of the reflected ray IR

Exercise 3: A ray of light is incident on a plane mirror by angle of incidence 40° 1- Sketch the figure ( plane mirror , incident ray SI and the angle of incidence 40°) 2- Draw the normal to the plane mirror IN 3- Determine the angle of reflection r 4- Draw the path of the reflected ray IR

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 7SSC

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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

Exercise 3: A ray of light is incident on a plane mirror by angle of incidence 40°
1- Sketch the figure ( plane mirror , incident ray SI and the angle of incidence 40° )
2- Draw the normal to the plane mirror IN
3- Determine the angle of reflection r
4- Draw the path of the reflected ray IR

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