Your house requires 16 incandescent light bulbs. Show all work a) Assuming that each bulb is used every day, how many light bulbs would you need to purchase over a 5 year period?
b) Find the total cost to buy all of the light bulbs that you need over that 5 year period.

Listed following are various physical situations that describe how light interacts with matter. match these to the appropriate category. 1) transmission? -visible light meets clear glass -visible light does not pass through a black wall -red light hits a red sweatshirt -light comes from your computer screen -cell phone signals pass through walls -blue light hits a red sweatshirt -white light hits a white piece of paper -light comes from a light bulb