The main purpose of the turbine in the turbojet engine is to? a. reduce the temperature of the exaust gas. b. increase the velocity of the exaust gasses. c. compress the air. d. drive the compressor.

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