When a monochromatic light falls on a metallic surface, a number of electrons is
liberated if another monochromatic light of high energy falls with the same intensity
on the same metal, the number of liberated electrons
(Increases - decreases - doesn't change - no correct answer)

Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.

During the past 150 years in the united states, how did energy consumption compare to population growth

Which scientist was the first to propose the heliocentric model of the universe? a. aristotle b. isaac newton c. galileo galilei d. nicolaus copernicus