Question

Flat Mirrors a) (10 pts) You are sitting in a restaurant with mirrors on the opposite walls as shown below. Your drink is on the table 0.25 m from the mirror in front of you. How many images of the glass would you see in the mirror and at what distances? What are the sizes of the images? 3.0 m I TT TT 0.25 m b) (15 pts) A periscope is an optical device to see objects around obstacles, e.g. above a wall or to see other ships from inside of a submarine. It is formed by attaching two mirrors at the corners of an L shaped tube as shown below. How far would the object shown in the diagram appear to be to the observer? What is the height of the image she will see? 15 m 450 Object height 1m 1 The observer is in a submarine under water and the upper arm of the periscope sticks out of the top of the submarine to see objects on the surface of the water. 3 m Observation mirror Observation point

Answer 1

3m Tiius 0. 25m a) Infinite images b) distance M, 0.25 5.75 6.25 11.75 M₂ 2.75 3.25 W 8.75 D . 9.25 I so on same as e) sizes will be object