A student makes a sound at point $$\(R\)$$ near a building. A second student, standing at point $$\(S\)$$ around the corner of the building, hears the sound. The building is a solid structure and there are no other structures nearby.
A.
B.
C.
D.
Exam No：9702_s25_qp_14 Year：2025 Question No：26
Answer:
A
Knowledge points:
8.2.1 explain the meaning of the term diffraction
8.2.2 show an understanding of experiments that demonstrate diffraction including the diffraction of water waves in a ripple tank with both a wide gap and a narrow gap
Solution:
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