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Part A In a photoelectric-effect experiment, the stopping voltage is 2.0 V when a gold cathode is illuminated with ultraviolet light. Will the stopping voltage increase, decrease, or stay the same if the light intensity is doubled? 0 Increase O Decrease O Stay the same Submit Request Answer Part B Will the stopping voltage increase, decrease, or stay the same if the wavelength of the light is increased? Increase O Decrease O Stay the same Submit Request Answer Part Will the stopping voltage increase, decrease, or stay the same if the gold cathode is replaced by an aluminum cathode? O Increase Decrease O Stay the same Submit Request Answer Provide Feedback