Which observation provided albert einstein the clue that he needed to explain the photoelectric effect? light is made up of extremely small particles. particles that are emitted from a strip of metal are electrons. shining light on a metal strip produces emissions. energy of electrons depends on light’s frequency, not intensity.

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?

Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.