2. As you drive down the highway, you notice that the dial on your stereo is not functioning. You have the radio tuned to astation that uses two transmission towers that are HE m apart. The towers are 25.13 km from your present location. You wish to estimate the frequency setting of your radio using the interference pattern set up by the two towers. You notice that the signal reception fluctuates between maximums as you drive a distance of {1.45 km parallel to the line joining the two towers. What is the frequency of the station to which you are listening? 3. An electron ejected from sodium that has a work function of ESE- e'v' when it is illuminated by 442mm light. The eEtron released would travel with a matter wave of what wavelength