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David Lopez

David L.

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Andreas Papavassiliou verified

Numerade educator

woman at a carnival funhouse is standing between a convex mirror and a concave mirror which are 3.00 m apart. The woman is 2.00 m from the convex mirror. The radius of curvature of the convex mirror is 2.00m. An upright image formed in one of the mirrors is reflected by the other mirror, making a final image at the position of the original woman. The woman is 1.70 m tall. (a) Do two separate ray tracing diagrams, showing the formation of both images, to show how this is possible. (b) Find the height and image distance for the first image. What is the x-coordinate of the first image, using the x-axis shown on the diagram? (c) Find the radius of curvature of the concave mirror. (d) Find the position and height of the final image. What is the x-coordinate of the second image?

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Supratim Pal verified

Numerade educator

Janice’s pinky is 5.85 cm long. When she holds her pinky a certain distance from a spherical mirror, an inverted image 2.10 cm long is formed. When she moves her finger 1.20 cm closer to the mirror, the size of the inverted image increases to 3.00 cm. (a) Find the original distance between Janice’s pinky and the mirror, and the focal length of the mirror. (b) Draw a ray diagram showing the formation of the image with Janice’s pinky in the original position.

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