3. which color of visible light has the 4th highest energy?

3. which color of visible light has the 4th highest energy?
Answer
Brief Explanations:
The energy of visible - light is related to its frequency. The order of visible - light colors from highest to lowest energy is violet, indigo, blue, green, yellow, orange, red. Counting from the highest - energy color, the 4th color is green.
Answer:
Green