A convex mirror in a department store produces an upright image 0.25 times the size of a person who is standing 200 cm from the mirror. What is the focal length of the mirror?
Answer to relevant QuestionsThe image of an object located 30 cm from a mirror is formed on a screen located 20 cm from the mirror. (a) The mirror is (1) convex, (2) concave, (3) flat. Explain. (b) What is the mirror’s radius of curvature? An object 5.0 cm tall is placed 40 cm from a plane mirror. Find (a) The distance from the object to the image, (b) The height of the image, and (c) The image’s magnification. The front surface of a glass cube 5.00 cm on each side is placed a distance of 30.0 cm in front of a converging mirror that has a focal length of 20.0 cm. (a) Where is the image of the front and back surface of the cube ...A converging lens with a focal length of 20 cm is used to produce an image on a screen that is 2.0 m from the lens. What are the object distance and the lateral magnification of the image? A simple single-lens camera (convex lens) is used to photograph a man 1.7 m tall who is standing 4.0 m from the camera. If the man’s image fills the height of a frame of film (35 mm), what is the focal length of the lens?
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