A-LevelPhysicsWaves9702/12 · May/June 2017 · Q231 Mark
Which statement about progressive longitudinal waves is not correct?
AThe oscillations of the particles are parallel to the direction of travel of the wave energy.
BThey have a series of nodes and antinodes.
CThey need a medium through which to travel.
DThey transfer energy.
✓ Correct answer
B: They have a series of nodes and antinodes.
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