Activity # 1: Write the letter of the correct answer on your answer sheet. 1. Which of the following is true about virtual images on lenses? A. virtual image are always inverted B. virtual image is located on the other side of a lens C. virtual image is located on the same side of the object D. virtual image are always enlarged 2. Which of the following is also known as a converging lens? A. convex B. concave C. plane D. converge 3. What part of a lens is the point where light rays converge as they pass through the lens? A. vertex B. focal length C. focal point D. normal line 4. What process occurs when light bends as it passes through a medium with a different density? A. refraction B. reection C. diraction D. diffusion 5. In which of the following materials does refraction may occur? A. water B. wood C. wall D. steel 6. Which of the following is a type of lens that is thick on the center and thirmer at the end? A. at lens B. concave lens C. convex lens D. plane lens For items 7-10 refer to the image below: 7. What is the type of image formed? object A. enlarged B. Vll'tual C. real D. inverted 8. What is the orientation of the image formed? W nm- hns'a'fumh m1 msu will\" A. enlarged B. reduced C. uptight D. inverted 9. What type of principal rays are fis shown on the image? A. PF and FP rag.r C. FP and V ray B. PF and V ray D. PF only 10. What kind of lens is shown on the image that is also known as diverging lens? A. convex B. concave C. plane D. converge