The visible light there is from the UV emitter now looks cyan, while the IR beam that normally isn't visible at all looks the way the UV emitter's visible beam does to the naked eye. This tends to happen because the RGB filter arrays used in consumer digital cameras are only designed to filter visible light.
An elected leader is chosen by a vote of the public, while an appointed leader is selected by another leader or a body of officials without the public directly participating. Both types of leaders have been important in American history, particularly in how they exercise their authority.
Quick Answer. The leader of the United States House of Representatives is the Speaker of the House. The Speaker is usually elected after a voting exercise done by all the members of the house. In case the President and the Vice President are unable to lead the country, the Speaker is legally mandated to take control of the leadership of the country.