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Physics  Ex-47

Eye

Mirror

Given a plane mirror and the position of an observer’s eye, determine the field of vision.

Field of vision

(Any point within this area will be reflected to the observer’s eye as an image point.)

There are two steps in finding the field of vision.

Draw a ray from the eye to one end of the mirror.

This is the reflected ray.  Then, in  accordance with

the law of reflection, draw the incident ray.

Step-1

angle of incidence = angle of reflection

angle of incidence = angle of reflection

Draw a ray from the eye to the other end of the mirror.

This is the reflected ray.  Then, in  accordance with

the law of reflection, draw the incident ray.

Step-2

Normal

Normal

Click

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