a. What is the energy in joules associated with photons that have a wavelength matching that of the color blue in the visible spectrum?
b. Repeat part (a) for the color red.
c. Do the results confirm the fact that the shorter the wavelength the higher the energy level?
d. Is light in the ultraviolet range more dangerous in regard to skin cancer than those in the infrared range? Why?
e. Can you guess why fluorescent lights are used for growing plants in a dark environment?
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