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1. [-/1 Points] DETAILS WAUNIPHYSAV1 34.P.001.TUTORIAL. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A shopper standing 2.08 m from a convex security mirror sees his image with a magnification of 0.210. Determine the following. (Indicate the directions with the signs of your answers.) (a) location of his image m Is it in front of or behind the mirror? O in front of the mirror O behind the mirror (b) focal length of the mirror m c) radius of curvature of the mirror m 129 Tutorial4. [-/1 Points] DETAILS WAUNIPHYSAV1 34.P.006. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 5 A 3.25 cm tall object is placed 12.2 cm in front of a concave mirror whose focal length is 16.5 cm. Determine the location and height of the image. location cm height cm 5. [-/1 Points] DETAILS WAUNIPHYSAV1 34.P.008. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The real image of a concave mirror is five times as large as the object. (a) Determine the image distance for an object that is 37.4 cm from the mirror. (Include the appropriate positive or negative sign. ) cm (b) Determine the focal length of the mirror. (Include the appropriate positive or negative sign. ) cm 6. [-/1 Points] DETAILS WAUNIPHYSAV1 34.P.009. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A convex mirror produces a virtual image that is three fourths the size of the object. (a) Determine the image distance if the object is 67.0 cm in front of the mirror. (Include the appropriate positive or negative sign.) cm (b) Determine the focal length of the mirror. (Include the appropriate positive or negative sign.) cm 7. [-/1 Points] DETAILS WAUNIPHYSAV1 34.P.011.TUTORIAL. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER You place an object 15.4 cm in front of a diverging lens which has a focal length with a magnitude of 14.8 cm. Determine how far in front of the lens the object should be placed in order to produce a new image that is 4.15 times smaller than the original image. cm 123 Tutorial8. [-I1 Points] WAUNIPHYSAV1 34.P.024. ASK YOUR TEACH ER PRACTICE ANOTHER (a) Calculate the focal length of the mirror formed by the convex side of a shiny spoon that has a 2'48 cm radius of curvature. m (b) What is its power in diopters? D 9. [-l1 Points] WAUNIPHYSAV1 34.P.012. MY NOTES ASK YOUR TEACH ER PRACTICE ANOTHER (a) Find the distance of the image from a thin converging lens of focal length 24 cm if the object is placed 41 cm to the left of the lens. Include the correct sign. :lcm (b) Where is the image formed? 0 to the left of the lens, on the same side as the object O to the right of the lens, on the side opposite to the object (c) is the image real or virtual? 0 real O virtual 10. [-I1 Points] WAUNIPHYSAV1 34.P.018. ASK YOUR TEACH ER PRACTICE ANOTHER For safety reasons, you install a rear-window lens with a 0.303 m focal length in your van. Before putting the van in reverse, you look through the lens and see the image of a person who appears to be 0.339 m tall and 0.237 m behind the van. Determine the following. (3) actual distance of the person behind the van in (b) height of the person :lm 11. [-/1 Points] DETAILS WAUNIPHYSAV1 34.P.022. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER You have a concave (diverging) lens with a -22 cm focal length. The magnification produced by the lens for a particular object distance is m = 1/2 and you wish to decrease the magnification to m = 1/5. Determine the distance and direction (away from or closer to the lens) through which the object must be moved in order to accomplish this. It must be moved cm [---Select--- | the lens. 12. [-/1 Points] DETAILS WAUNIPHYSAV1 34.P.016. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A doctor examines a mole with a 16. cm focal length magnifying glass held 11.1 cm from the mole. (a) How far is the image from the lens? cm Is the image real or virtual? O real O virtual (b) What is its magnification? (c) How big is the image of a 5.00 mm diameter mole? mm