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A mechanical wave propagastes in a mediu...

A mechanical wave propagastes in a medium along the X-axis. The particles of the medium

A

must move on the X-axis

B

must move on the Y-axis

C

may move one the X-axis

D

may move on the Y-axis

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the propagation of a mechanical wave in a medium along the X-axis and the motion of the particles of the medium, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding Wave Propagation**: - A mechanical wave propagates through a medium, which can be either transverse or longitudinal. The direction of wave propagation is given as the X-axis. 2. **Identifying Particle Motion for Transverse Waves**: - In a transverse wave, the particles of the medium move perpendicular to the direction of wave propagation. Since the wave is moving along the X-axis, the particles will oscillate in the Y-direction. 3. **Identifying Particle Motion for Longitudinal Waves**: - In a longitudinal wave, the particles of the medium move parallel to the direction of wave propagation. Therefore, if the wave is longitudinal, the particles will oscillate along the X-axis. 4. **Analyzing the Options**: - The question provides multiple options regarding the motion of the particles. We need to determine which options are correct based on the type of wave: - If the wave is transverse, the motion of the particles is in the Y-direction. - If the wave is longitudinal, the motion of the particles is in the X-direction. 5. **Conclusion**: - Since the question states that the wave propagates along the X-axis, the motion of the particles can be either in the Y-direction (for transverse waves) or in the X-direction (for longitudinal waves). Therefore, options that indicate movement in either direction could be correct. ### Final Answer: - The correct options regarding the motion of the particles of the medium are: - **Option 3**: Particles may move in the Y-direction (for transverse waves). - **Option 4**: Particles may move in the X-direction (for longitudinal waves). - **Options 1 and 2** are incorrect because they imply a definitive direction of motion without considering the type of wave.
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Knowledge Check

  • In a transverse wave, the particles of the medium

    A
    vibrate in a direction perpendicular to the direction of the propagation.
    B
    vibrate in a direction parallel to the direction or of the propagation
    C
    move in circle
    D
    move in ellipse
  • When a harmonic wave is proppagating through a medium, the displacement 'y' of a particle of the medium is represented by y = 10 sin (2pi)/(5) (1800t- x). The time period will be

    A
    1/360 sec
    B
    1/36 sec
    C
    36 sec
    D
    360 sec
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