<p> Unit 14 Mirrors Classwork 02 1 Physics CW 02: Optics – Mirrors Name: ______Date: ______Period: ______You must show the work that leads to your answer to receive credit. The answer must include the appropriate unit. For each situation: (a) Calculate image location; (b) calculate image size; (c) is the image real or virtual; (d) draw the diagram – use a ruler 1. Object is 4 cm tall, located 15 cm from a concave mirror with a focal length of 5 cm</p><p>------•------•------M------C F</p><p>2. Object is 6 cm tall, located 12 cm from a convex mirror with a focal length of – 8 cm</p><p>------•------•------M------C F</p><p>3. Object is 5 cm tall, located 8 cm from a concave mirror with a center of curvature of 24 cm. Unit 14 Mirrors Classwork 02 2</p><p>------•------•------M------C F</p><p>4. Object is a star 107 m in diameter, located an infinite distance from a concave mirror with a focal length of 20 cm</p><p>------•------•------M------C F</p><p>______cm_____5. A book, 200 cm from a concave mirror produces a real image 80 cm Unit 14 Mirrors Classwork 02 3 from the mirror. What is the mirror’s focal length?</p><p>______cm____6. Your height is 180 cm. You see your image in a Christmas tree ornament, a 6 cm diameter ball, and you are 100 cm from the ornament. How tall is your image?</p><p>CHALLENGE PROBLEMS</p><p>______cm____7. A concave mirror has a focal length of 80 cm. A flagpole is 5000 cm tall and the mirror produces a real image that is 4 cm tall. How far away is the flagpole?</p><p>______cm___8. A concave mirror has a focal length of 12 cm. How far away from the mirror should an object be to produce a real image that is 3 times life size?</p><p>______cm___ 9. A concave mirror has a focal length of 12 cm. How far away from the mirror should you be to produce a virtual image that is 3 times life size?</p>