A small wooden block was placed in a circular ripple tank. Since a high frequency is used, a shadow is formed. Beneath the ripple tank was a sheet of white paper, where the wave patterns appeared due to a light source above the ripple tank.

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A small wooden block was placed in a circular ripple tank. Since a high frequency is used, a shadow is formed. Beneath the ripple tank was a sheet of white paper, where the wave patterns appeared due to a light source above the ripple tank.



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