2. The image of a distant object (image distance) is focused by a concave mirror 25 cm from it. The concave mirror used has radius of curvature of 15 cm. (a) What is the focal length of the mirror? (b) If an object with a height of 3.2 cm is placed in front of this mirror, where will the image be located? (real or virtual side, in front or at the back of the mirror) (c) What is the height of the image? (d) How can you describe the image? (real or virtual, upright or inverted)

2. The image of a distant object (image distance) is focused by a concave mirror 25 cm from it. The concave mirror used has radius of curvature of 15 cm. (a) What is the focal length of the mirror? (b) If an object with a height of 3.2 cm is placed in front of this mirror, where will the image be located? (real or virtual side, in front or at the back of the mirror) (c) What is the height of the image? (d) How can you describe the image? (real or virtual, upright or inverted)

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter23: Mirrors And Lenses

Section: Chapter Questions

Problem 14P: A 1.80-m-tall person stands 9.00 m in front of a large, concave spherical mirror having a radius of...

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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.
A concave spherical mirror has a radius of curvature of magnitude 24.0 cm. (a) Determine the object position for which the resulting image is upright and larger than the object by a factor of 3.00. (b) Draw a ray diagram to determine the position of the image. (c) Is the image real or virtual?
If Joshs face is 30.0 cm in front of a concave shaving mirror creating an upright image 1.50 times as large as the object, what is the mirrors focal length? (a) 12.0 cm (b) 20.0 cm (c) 70.0 cm (d) 90.0 cm (e) none of those answers
A converging lens made of crown glass has a focal length of 15.0 cm when used in air. If the lens is immersed in water, what is its focal length? (a) negative (b) less than 15.0 cm (c) equal to 15.0 cm (d) greater than 15.0 cm (e) none of those answers
How far should you hold a 2.1 cm-focal length magnifying glass from an object to obtain a magnification of 10 x ? Assume you place your eye 5.0 cm from the magnifying glass.
You view an object by holding a 2.5 cm-focal length magnifying glass 10 cm away from it. How far from your eye should you hold the magnifying glass to obtain a magnification of 10 ?