Activity 2 A. Instructions: Read, understand, and answer the given questions. 1. What happens to the size of a shadow as you move the object closer to the source? 2. If a material is opaque to light, is it opaque to other electromagnetic waves as well? 3. Why is a lunar eclipse more frequent than a solar eclipse? 4. The wall of a room is covered completely with a flat mirror. How wide will the room appear? B. Instructions: Read, analyze and answer the given problems. 1. You are 1.22 m away from a 60 cd lamp while reading your book. You are asked to move 0.55 m farther. What is the illumination? 2. A 50 cd spotlight is located 5m above a table. The beam is focused or a surface area of 1.5 m2. Find the intensity of the beam. 3. A 180 cd light is located 4.5 m from a tabletop of area 2.5 m2. What is the illumination and what flux falls on the table