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The vibration direction parallel to the wave direction in the vertical plane is present in
  • a)
    P-waves.
  • b)
    S-waves.
  • c)
    surface waves.
  • d)
    L-waves.
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
The vibration direction parallel to the wave direction in the vertical...
P-wave is always longitudinal. Thus, the particles in the solid have vibrations along or parallel to the travel direction of the wave energy.
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Most Upvoted Answer
The vibration direction parallel to the wave direction in the vertical...
Vibration Direction in Waves

When a wave travels through a medium, it causes the particles of the medium to vibrate back and forth. The direction of this vibration can be either parallel or perpendicular to the direction of wave propagation.

Parallel Vibration Direction

When the vibration direction is parallel to the wave direction in the vertical plane, it means that the particles of the medium are vibrating up and down, in the same direction as the wave is moving. This type of vibration is known as longitudinal vibration.

Presence in Waves

Out of the different types of seismic waves, namely P-waves, S-waves, surface waves, and L-waves, only P-waves have a parallel vibration direction in the vertical plane.

P-Waves

P-waves, also known as primary waves or pressure waves, are the fastest seismic waves and can travel through both solid and liquid media. The particles in P-waves vibrate in the same direction as the wave is moving, which is parallel to the direction of propagation.

S-Waves

S-waves, also known as secondary waves or shear waves, have a perpendicular vibration direction in the vertical plane. The particles in S-waves vibrate perpendicular to the direction of propagation, which causes them to move in a sideways motion.

Surface Waves

Surface waves, as the name suggests, travel along the surface of the Earth and have a complex motion that is a combination of both longitudinal and transverse vibrations.

L-Waves

L-waves, also known as Love waves, are a type of surface wave that has a perpendicular vibration direction in the horizontal plane. The particles in L-waves move in a side-to-side motion, perpendicular to the direction of propagation.

Conclusion

In summary, the vibration direction parallel to the wave direction in the vertical plane is present only in P-waves, while S-waves have a perpendicular vibration direction in the vertical plane, surface waves have a complex motion, and L-waves have a perpendicular vibration direction in the horizontal plane.
Community Answer
The vibration direction parallel to the wave direction in the vertical...
Only the p- waves are able to cross the core of the earth and their vibration direction is parallel to the wave direction in the vertical plane. these are longitudinal waves.
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The vibration direction parallel to the wave direction in the vertical plane is present ina)P-waves.b)S-waves.c)surface waves.d)L-waves.Correct answer is option 'A'. Can you explain this answer?
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