Are wavelengths of sunlight equally important in powering photosynthesis?

No, wavelengths of sunlight are not equally important in powering photosynthesis. Plants primarily use light in the blue (around 430-450 nm) and red (around 640-680 nm) regions of the spectrum for photosynthesis, as these wavelengths are most effectively absorbed by chlorophyll. Green light (around 500-550 nm) is less effective for photosynthesis because it is mostly reflected rather than absorbed, which is why plants appear green. Overall, the efficiency of photosynthesis varies significantly with different wavelengths of light.