Physics 2212 Homework 2 (due: February 10) 1. It is 175 cm from your eyes to your toes. You’re standing 300 cm in front of a tall mirror. Haw far is it from your eyes to the image of your toes? 2. A diamond is under water. A light ray enters one face of the diamond, then travels at an angle of 300 with respect to the normal. What was the ray’s angle of incidence on the diamond? 3. An underwater diver sees the sun 500 above the horizontal. How high is the sun above the horizon to a fisherman in a boat above the diver? 4. A cylindrical tank is 50 ft deep, 39.5 ft in diameter, and filled up to the top with water. A flashlight shines into the tank from above. What minimum angle can its beam make with the water surface if the beam is to illuminate part of the bottom? 5. A 180-cm-tall diver is standing completely submerged on the bottom of a swimming pool full of water. You are sitting on the end of the diving board, almost directly over the diver. How tall does the diver appear to be? 6. To a fish in an aquarium, the 5-mm-thick walls appear to be only 4-mm-think. What is
This is the end of the preview. Sign up
access the rest of the document.