6. A man 1.8 m tall stands in front of a plain mirror. His are 1.7 m above the ground. Use a graph paper to answer the questions that follows. (a) What is the minimum length of a mirror that allows him to see his whole body? (b) At what height should the mirror be hung? .….........................

6. A man 1.8 m tall stands in front of a plain mirror. His are 1.7 m above the ground. Use a graph paper to answer the questions that follows. (a) What is the minimum length of a mirror that allows him to see his whole body? (b) At what height should the mirror be hung? .….........................

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter26: Image Formation By Mirrors And Lenses

Section: Chapter Questions

Problem 5P: A person walks into a room that has two flat mirrors on opposite walls. File mirrors produce...

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A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a thin section of a sphere. When she looks into one side of the hubcap, she sees an image of her face 30.0 cm in back of the hubcap. She then flips the hubcap over and sees another image of her face 10.0 cm in back of the hubcap. (a) How far is her face from the hubcap? (b) What is the radius of curvature of the hubcap?
A 1.80-m-tall person stands 9.00 m in front of a large, concave spherical mirror having a radius of curvature of 3.00 m. Determine (a) the mirrors focal length, (b) the image distance, and (c) the magnification. (d) Is the image real or virtual? (e) Is the image upright or inverted?
Suppose a man stands in front of a mirror as shown in Figure 25.50. His eyes are 1.65 m above the floor, and the top of his head is 0.13 m higher. Find the height above the floor of the top and bottom of the smallest mirror in which he can see both the top of his head and his feet. How is this distance related to the man’s height? Figure 25.50 A full-length mirror is one in which you can see all of yourself. It need not be as big as you, and its size is independent of your distance from it.
The object in Figure P23.52 is mid-way between the lens and the mirror, which are separated by a distance d = 25.0 cm. The magnitude of the mirrors radius of curvature is 20.0 cm, and the lens has a focal length of 16.7 cm. (a) Considering only the light that leaves the object and travels first toward the mirror, locate the final image formed by this system. (b) Is the image real or virtual? (c) Is it upright or inverted? (d) What is the overall magnification of the image? Figure P23.52
A person walks into a room that has two flat mirrors on opposite walls. File mirrors produce multiple images of the person. Consider only the images formed in the mirror on the left. When the person is 2.00 m from the mirror on the left wall and 4.00 m from the mirror on the right wall, find the distance from the person to the first three images seen in the mirror on the left wall.
A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a section of a sphere. When he looks into one side of the hubcap, he tees an image of his face 30.0 cm. in back of it. He then turns the hubcap over, keeping it the same distance from his face. He now sees an image of his fate 10.0 cm in back of the hubcap. (a) How far is his face from the hubcap? (b) What is the magnitude of the radius of curvature of the hubcap?
(i) An object is plated at a position p f from a concave mirror as shown in Figure CQ39.12a, where f is the focal length of the mirror. In a finite time interval, the object is moved to the right to a position at the focal point F of the mirror. Show that the image of the object moves at a speed greater than the speed of light. (ii) A laser pointer is suspended in a horizontal plane and set into rapid rotation as shown in Figure CQ39 12b. Show that the spot of light it produces on a distant screen can move across the screen at a speed greater than the speed of light. (If you carry out this experiment. make sure the direct laser light cannot enter a person's eyes.) (iii) Argue that the experiments in parts (i) and (ii) do not invalidate the principle that no material, no energy, and no information can move faster than light moves in a vacuum. Figure CQ39.12
Under what circumstances will an image be located at the focal point of a spherical lens or mirror?
A full-length mirror is one in which you can see all of yourself. It need not be as big as you, and its size is independent of your distance from it. What is the smallest mirror on the wall in which this man can see his full image if his height is h=D1.70 m? 0.90 m O 1.70 m O 0.42 m O 0.85 m
A person who is 1.70 m tall stands in front of the mirror. How big does the mirror have to be at least so that the person can see his/her entire image? Suppose that the eyes are 10 cm lower than the top of the head.Does the answer depend on the distance between the person and the mirror? Justify your answer
An image formed by a concave mirror has a size h' = +5 cm. knowing that the object has a height h > 0, which of the following statements is true? O The image is virtual and h' > h. The image is real and h' > h. O The image is virtual and h' = h. O The image is virtual and h' < h. The image is real and h' = -h.
The tallest basketball players have been approximately 2.29m tall (7 foot 6 inches). Approximately how tall a mirror must the player purchase so that he can see his face and feet at the same time? Assume the mirror can mounted anywhere on the wall. Group of answer choices 1.15m 2.3m 0.6m 1.5m