Photon energy is directly proportional to the frequency of electromagnetic radiation.
(That would also mean that it's inversely proportional to the wavelength.)
So the photon energy increases as you scan the chart of visible colors
moving from the red end of the rainbow to the blue end.
Answer: Not 100% sure but I believe the answer is B.
Hope this helps! ^^
Answer: The working and answer can be viewed from the screenshots below. Thanks