A particular laser consumes 200.0 Watts of electrical power and produces a stream of 1.79×1019 1181 nm photons per second. Part A What is the percent efficiency of the laser in converting electrical power to light?

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

Apump contains 0.5 l of air at 203 kpa. you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump

What state of matter is ice a. liquid b. element c. solid d. gas