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the claim

Thin-film interference of oil and water causes colored patches on a wet road

the verdict
SUPPORTEDCOMMON KNOWLEDGE
the evidence backs this
Recorded sources
1 source for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that thin-film interference of oil and water causes colored patches on a wet road?

Yes. Thin-film interference of oil on water creates iridescent colored patches, a well-documented everyday phenomenon governed by optical physics.

Verdict: SUPPORTED · Common knowledge · 1 source for, 0 against · Last checked

The analysis

The claim is a well-known scientific fact and everyday observation, qualifying as common knowledge, and paper [6] explicitly confirms that thin-film interference explains the colored patterns caused by oil on water.

Evidence for · 1
Thin Film Interference: An Experiment with Microwaves and Paraffin Oil
2015
Paper notes that thin film interference is responsible for the colored effects caused by a drop of oil on water in everyday situations.
Get citation
D'Anna, M. & Corridoni, T. (2015). Thin Film Interference: An Experiment with Microwaves and Paraffin Oil. doi.org. https://doi.org/10.1119/1.4933149

Receipt History
first checked06 Aug 2026
judged → COMMON KNOWLEDGE · 5406 Aug 2026
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