The print in many books averages 4.20 mm in height. How high in mm is the image of the print on the retina when the book is held 34.0 cm from the eye? (Assume the lens-to-retina distance is 2.00 cm. Include the sign of the value in your answer.)
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- The lens and mirror in the figure below are separated by 1.00 m and have focal lengths of +79.7 cm and −49.3 cm, respectively. If an object is placed 1.00 m to the left of the lens, where will the final image be located? q3 = ?cm Determine the overall magnification ???Homework 12 Problem 6: An object is located in air, 35 cm from the vertex of the concave surface of a block of glass (as viewed from the air side of the surface). The surface’s radius of curvature is 15 cm. Use these indices of refraction: nair = 1.0 and nglass = 1.5. Part (a) Find the refraction image distance, in centimeters. Include its sign. s' = ______ Part (b) What is the magnification of the image? Include the magnification’s sign to indicate the orientation of the image with respect to the object. m = ______Amber (n = 1.546) is a transparent brown-yellow fossil resin. An insect, trapped and preserved within the amber, appears to be 2.3 cm beneath the surface when viewed directly from above. How far below the surface is the insect actually located? Number i Units
- 8. If a converging lens forms a real, inverted image 23.0 cm to the right of the lens when the object is placed 49.0 cm to the left of a lens, determine the focal length of the lens. cm(Dove Prism) A new type of prism inverts an image that comes in through one end (see Figure 1). The prism will be shaped like a trapezoid with a square cross-section and sides cut at a 45° angle, and that the prism will be made of a plastic called BK7 that has an index of refraction of 1.517. Decide on the dimensions of the prism in order to maximize the size of the image that can be inverted (see incoming/outgoing rays in the side view in Figure 2). How long (length B in Figure 1) should the prism be in terms of its height (length A in Figure 1)? What happens to an image that enters the prism on one side of its long face (see figure 3)? Make a drawing tracing the path of rays 4, 5, and 6 in figure 3 to find out. Figure 1 Figure 2 1 3 2 45° 3 1 Figure 2 Figure 3 45° Figure 3 4 5 6(a) An object, O is placed 14.0 cm in front of a converging lens of focal length, fi = 10.0 cm, which in tum is 40.0 cm in front of another converging lens of focal length, f =8.0 cm as shown in Figure 3(a). Compute the
- In the given figure, determine the centroid along x and y- axis. 30 mm Prob. 1-2 1. Centroid Location Along X - Axis 2. Centroid Location Along Y- Axis 300 mm 30 mm 240 mm19) A doctor examines a mole with a 15-cm focal length magnifying glass held 12.5 cm from the mole. Randomized Variables do = 12.5 cm a) What is the image distance for this configuration in meters? b) What is its magnification? c) How big is the image of a 5.00 mm diameter mole in millimeters?2
- A concave mirror on the left is separated from a converging lens on the right by 50 cm. An object is placed 20.0 cm to the right of a concave mirror with focal length 12.0 cm and 30.0 cm to the left of a converging lens with focal length 10.0 cm, what would be the magnification factor created by both the mirror and lens. 1. do not have enough information to do a calculation 2.one 3.two 4. none of the given choicesW:45)An object is 24 cm in front of a diverging lens that has a focal length of -14 cm. How far in front of the lens should the object be placed so that the size of its image is reduced by a factor of 2.2? Number i eTextbook and Media Units cm