The colours seen in the thin films of oil on the road and in soap bubbles are due to
reflection
interference
diffraction
polarization
Explanation
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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. ... As a result, a rainbow-like colour pattern is shown on the oil surface and this phenomenon is called thin-film interference. The answer is meant to be interference and not reflection. PLease try to be more accurate, as it is of utmost importance.
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. ... As a result, a rainbow-like colour pattern is shown on the oil surface and this phenomenon is called thin-film interference.
Interference is the answer not reflection. Reflection is the sending back of wave when it encounter an obstacle.
