light mcq class 10

The light incident on the water waves in a ripple tank is diverged by 1. Crests 2. Troughs 3. Crests and Troughs 4. None of these

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The troughs of water waves in a a ripple tank produces 1. Coloured bands 2. Dark bands 3. Bright bands 4. None of these

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The crests of water waves in a ripple tank produces 1. Dark bands 2. Bright bands 3. Coloured bands 4. None of these

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