When light of wavelength 190 nm falls on a carbon surface, electrons having a maximum kinetic energy of 1.53 eV are emitted. Find values for the following. (a) the work function of carbon eV
(b) the cutoff wavelength nm
(c) the frequency corresponding to the cutoff wavelength Hz

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.

Sound is a disturbance that travels through a medium as a

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.