Question

multiple choice question a disturbance that causes particles to move closer together or farther apart in the same direction that the wave is moving is a ______ wave. longitudinal shear transverse standing

Explanation:

• Longitudinal wave: In a longitudinal wave, the particles of the medium move parallel to the direction of wave propagation. This means they move closer together (compression) or farther apart (rarefaction) along the direction of wave motion.
• Shear wave: Shear waves involve motion of particles perpendicular to the wave propagation direction in a tangential (shearing) manner, not in the line - of - wave - motion direction for compression/rarefaction.
• Transverse wave: Transverse waves have particle motion perpendicular to the wave propagation direction (e.g., up - and - down motion for a wave moving horizontally), not parallel for compression/rarefaction.
• Standing wave: Standing waves are formed by the interference of two waves traveling in opposite directions. They have nodes (points of no displacement) and antinodes (points of maximum displacement), but the basic definition of particle motion (compression/rarefaction in - line - with - wave - motion) is not the key characteristic here.

Answer:

longitudinal