Question
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Solving time: 3 mins
Why are multiple colours observed over a thin film of oil floating on water ? Explain with the help of a diagram.
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When petrol is dropped on the road during a rainy day, a thin layer of oil will appear on the water surface. Both the top and bottom surfaces of this oil film can reflect light. The wavelength corresponding to the constructive interference also differs and this causes the reflected light to have various colors
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Question Text | Why are multiple colours observed over a thin film of oil floating on water ? Explain with the help of a diagram. |
Updated On | Nov 21, 2022 |
Topic | Waves |
Subject | Physics |
Class | Class 11 |
Answer Type | Text solution:1 Video solution: 1 |
Upvotes | 266 |
Avg. Video Duration | 7 min |