In a photoelectric-effect experiment, the maximum kinetic energy of electrons is 3.3 eV . When the wavelength of the light is increased by 50% , the maximum energy decreases to 1.1 eV . Part A What is the work function of the cathode? Express your answer in electron volts. Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type E0 = nothing eV Request Answer Part B What is the initial wavelength