How Does Quantum Probability Affect Light Reflection on Water Surfaces?

Chi Meson
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When light is incident on a surface of water, for example, some of the light is reflected and some is transmitted and refracted. As I recall, the percentage of light that gets reflected will be determined by the quantum probability that light will reflect at that interface.

First question: Is it correct to say that the percentage of reflected light will be equal to the probability that light will reflect?

Furthermore, is the probability that light will reflect in any way related to the probability that a photon will hit a molecule "straight on" rather than obliquely? OR is the physical arrangement of molecules of no consequence to quantum probabilities?
 
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It is not necessarily correct to say that the percentage of reflected light will be equal to the probability that light will reflect. The percentage of reflected light also depends on factors such as the angle of incidence and the properties of the surface, in addition to the quantum probability of reflection.

The physical arrangement of molecules can affect the quantum probabilities of reflection, as it can influence the overall surface properties and the interactions between the light and the molecules. However, it is not the only factor that determines the probability of reflection. Other factors, such as the wavelength of the light and the energy level of the molecules, also play a role. Therefore, it is not accurate to say that the probability of a photon hitting a molecule straight on is the only factor that determines the probability of reflection.
 
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