# lens and mirror problem solving

1.

Which of the following diagrams involves a virtual image? (2 points)   2.

Which of the following diagrams involves an upright image? (2 points)   3.

Which of the following diagrams involves a larger image? (2 points)   4.

Match the term with the appropriate image. (6 points)

 abc 1 abc 2 abc 3 a. Object position
 b. Image position
 c. Focal length
5.

Complete the following. When light is incident parallel to the principal axis and then strikes a lens, ___ (2 points)

 the light will remain parallel after refracting through the lens the light will refract through the focal point on the opposite side of the lens the light will not refract at all
6.

Complete the following. When light is incident through the focal point, and then strikes a mirror, ___ (2 points)

 the light will reflect parallel to the principal axis the light will reflect back through the focal point the light will not reflect at all
7.

Use your work from ray tracing assignment 6.11 and the diagram below to answer the following question. An object is 2.0 cm from a double convex lens, with a focal length of 1.5cm. Calculate the image distance. Remember to include your data, equation, and work when solving this problem. (4 points) 8.

In your own words, describe the three steps in ray tracing used to identify where an image forms. (4 points)

9.

Use your work from ray tracing assignment 6.11 and the diagram below to answer the following question. The image characteristics for the situation in question 7 are___. (2 points) upright, virtual, and smaller upright, real, and larger Inverted, real, and larger inverted, virtual, and smaller
10.

Use your work from ray tracing assignment 6.11 and the diagram below to answer the following question. An object is 3.0 cm from a concave mirror, with a focal length of 1.5cm. Calculate the image distance. Remember to include your data, equation, and work when solving this problem. (4 points) 11.

In your own words, explain how you can tell if an image is real or virtual. (4 points)

12.

Use your work from ray tracing assignment 6.11 and the diagram below to answer the following question. The image characteristics for the situation in question 10 are___. (2 points) upright, virtual, and smaller upright, real, and same size Inverted, virtual, and smaller inverted, real, and same size

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