A point source S S\,S of circular waves is located on the left side of a flat, vertical reflecting barrier. The waves travel to the right, strike the barrier, and reflect. The reflection creates a virtual source S1 S_1\,S1 located on the right side of the barrier, at the same distance from the barrier as SSS.
Which statement correctly describes the position, propagation direction, and curvature of the reflected wavefronts?
They lie on the right side of the barrier, travel to the right, and form circular arcs centered at S1S_1S1.
They lie on the left side of the barrier, travel to the left, and form circular arcs centered at SSS.
They lie on the left side of the barrier, travel to the left, and form circular arcs centered at S1S_1S1.
They lie on the right side of the barrier, travel to the right, and form circular arcs centered at SSS.
237 exam-style questions on CIE IGCSE Physics General properties of waves, covering General properties of waves. Each one has a worked solution and a mark scheme showing where the marks go.