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  1. On a rainy day, small oil films on water show brilliant colours. This is due to

  2. A.

     dispersion

    B.

     interference

    C.

     diffraction

    D.

     polarization

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    Answer : Option B

    Explanation :

    On a rainy day, small oil films on water show brilliant colours. This is due to Interference.
    Interference is a phenomenon in which two waves superimpose to form a resultant wave of greater, lower or same amplitude.


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