Questions: The vibrations of a longitudinal wave move in a direction opposite to wave travel.

The vibrations of a longitudinal wave move in a direction opposite to wave travel.
Transcript text: The vibrations of a longitudinal wave move in a direction opposite to wave travel.
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Solution

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Solution Steps

Step 1: Understanding Longitudinal Waves

Longitudinal waves are waves in which the particle displacement is parallel to the direction of wave propagation. This means that the particles of the medium move back and forth in the same direction as the wave travels.

Step 2: Analyzing the Given Options

The question provides two options regarding the direction of vibrations in a longitudinal wave:

  1. Opposite to wave travel.
  2. At right angles to the direction of wave travel.
Step 3: Determining the Correct Option

In a longitudinal wave, the vibrations of the particles are parallel to the direction of wave travel, not opposite or at right angles. Therefore, neither of the given options is correct. However, if we were to choose the closest correct description, it would be that the vibrations are in the same direction as wave travel.

Final Answer

The vibrations of a longitudinal wave move in the same direction as wave travel, not opposite or at right angles.

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