A50 pf capacitor and a 200 pf capacitor are both charged to 4.2 kv. they are then disconnected from the voltage source and are connected together, positive plate to positive plate and negative plate to negative plate. find the energy lost when the connections are made.

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