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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The trough of water wave in a ripple tank acts as
1. Convex lens
2. Convex mirror
3. Concave mirror
4. Concave lens
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