From what metal is the cathode made? A photoelectric-effect experiment finds a stopping potential of 2.50 V when light of 183 nm is used to illuminate the cathode Aluminum Previous Answers Correct Part B What is the stopping potential if the intensity of the light is doubled? Express your answer with the appropriate units. LA vstop 3.71 Submit Previous Answers Request Answer Incorrect: Try Again: 2 attempts remainina Incorrect Enter your answer using dimensions of electric potential