Why does wet cloth or mud appear darker?

AI Thread Summary
Wet cloth and mud appear darker due to the way light interacts with water and the surface of the materials. When these substances are wet, the water fills in the gaps between particles, reducing light scattering and allowing more light absorption, which results in a darker appearance. The discussion emphasizes that this is a valid scientific inquiry rather than a silly question. Participants are encouraged to think about plausible explanations and engage with related concepts in mineralogy. Overall, the question highlights an interesting aspect of optics and material properties.
vin300
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This looks like one silly question. Why does cloth or mud appear darker when wet?
 
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vin300 said:
This looks like one silly question. Why does cloth or mud appear darker when wet?

Why silly?

It is a very good question!

What would YOU think might be plausible answers here?
 

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