Which mechanism causes selective light absorption by chlorophyll molecules during photosynthesis?

💡 Explanation

When photons of specific wavelengths strike chlorophyll, electrons undergo electronic transitions between specific molecular orbitals because the photon energy matches the energy difference between these orbitals, causing selective light absorption. Therefore electron transition results, rather than energy transfer, vibrational excitation or polarisation, which require different light-matter interaction mechanisms.

• Which mechanism allows electron excitation into antibonding orbitals?
• Which kinetic outcome affects an enzyme-substrate reaction increasing temperatures?
• Which consequence results when electron degeneracy pressure drops in orbitals?
• Which risk increases when a fluid control valve's Reynolds number exceeds a threshold?
• Which consequence occurs when diatomic oxygen absorbs specific wavelengths during spectroscopic analysis?
• Which outcome occurs when excessive torsional stress fractures carbon nanotubes?