Will a current necessarily be detected if the cathode is illuminated with blue light? Select the correct answer and explanation. Will a current necessarily be detected if the cathode is illuminated with blue light? Select the correct answer and explanation. Photons of blue light have more energy than photons of green light. Therefore, if there is a current in a photoelectric-effect apparatus with green light, then there could be no current with blue light. Photons of blue light have less energy than photons of green light. Therefore, if there is a current in a photoelectric-effect apparatus with green light, then there will also be a current with blue light. Photons of blue light have less energy than photons of green light. Therefore, if there is a current in a photoelectric-effect apparatus with green light, then there could be no current with blue light. Photons of blue light have more energy than photons of green light. Therefore, if there is a current in a photoelectric-effect apparatus with green light, then there will also be a current with blue light.
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