The waves in a ripple tank are moving toward a barrier gap that is 1/2 the wavelength. A and B are equidistant from the gap. Select the correct statements about the diffraction that occurs.

Because the gap is only half a wavelength wide, the waves diffract strongly and spread out after passing through it, so both A and B will encounter waves. Since A and B are equidistant from the gap, the waves take the same time to reach them, so they arrive at the same time.

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