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Draw a ray diagram to show the formation of an image in a convex mirror. - Leaving Cert Physics - Question d - 2020
Question d
Draw a ray diagram to show the formation of an image in a convex mirror.
Worked Solution & Example Answer:Draw a ray diagram to show the formation of an image in a convex mirror. - Leaving Cert Physics - Question d - 2020
Step 1
Step 2
Two correct rays
Answer
Draw two rays originating from the top of the object:
- Ray 1: Draw a line parallel to the principal axis towards the mirror. Upon reaching the mirror, it will reflect outward as if it came from the focal point behind the mirror.
- Ray 2: Draw a ray heading towards the center of curvature of the mirror. This ray reflects back on itself, maintaining its path albeit diverging behind the mirror.
Step 3
Appropriate lines behind mirror and correct image
Answer
From the reflections of the rays, extend both reflected rays backward (dotted lines) to find the point where they appear to converge. Mark this point as the virtual image of the object. Ensure that the virtual image is upright and smaller than the original object, and label it accordingly.