When petrol drops from a vehicle fall over rain water on road surface, colours are seen because of:

dispersion of light

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interference of light

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scattering of light

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absorption of light

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Solution

The correct option is B interference of light
When a layer of oil falls on water, the light waves reflected by the upper and lower boundaries interfere with one another to produce colours.
Thus the reason is interference of light

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When petrol drops from a vehicle fall over rain water on road surface, colours are seen because of:

The correct option is B interference of lightWhen a layer of oil falls on water, the light waves reflected by the upper and lower boundaries interfere with one another to produce colours.Thus the reason is interference of light

The correct option is B interference of light
When a layer of oil falls on water, the light waves reflected by the upper and lower boundaries interfere with one another to produce colours.
Thus the reason is interference of light