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A water wave with a wavelength of 35.6 cm approaches a wall with a large opening in it. The hole begins to close. What size does the hole in the wall need to be for the wave to noticeably diffract through the hole? Justify your answer.

User BVernon
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2 Answers

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the hole in the wall needs to be 12.8cm for the wave to noticeably diffract through the hole
User Drbunsen
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I think it might be 12.8cm.
User Neverlastn
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