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Different density of objects
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A wave changes directions when its speed changes This is called?
Reflection, or refraction, depending on what causes the change in direction.
What causes a wave to bend and travel in a new direction when it moves from one medium to another?
Waves may bend if they move from one medium to another.
Which type of wave causes the medium to vibrate perpendicular to the direction of the wave?
Transverse Wave.
What is it called when a wave suddenly changes directions it passes from one material to on other?
Refraction phenomenon Typically, the change in wave speed in the material causes the change in direction.
Which wave causes the medium to vibrate only in a direction parallel to the wave's motion?
Longitudinal wave
What describes the refraction of a wave?
It means that the wave changes direction when it changes over from one medium to another. This is related to the different speeds the wave has in the different media.
What is a wave which causes the particles of the medium to move in the same direction that the wave is traveling?
It's called a longitudinal wave.
What is a seismic wave that causes particules of rock to vibrate in the same direction which the wave is moving?
That would be a P-wave or Primary wave which is a longitudinal seismic wave.
What is the relationship between the movement of the wave and the movement of the medium?
It depends on the type of wave. If it is a transverse wave, then the medium moves in one direction while the wave moves in a perpendicular direction. Flicking a rope up and down causes a transverse wave. Eletromagnetic waves (e.g. light and radio) are transvere. If it is a longitudinal wave then the wave moves in the same direction as the medium. Pushing a slinky causes a longitudinal wave. Sound waves are also longitudinal.
What are Seismic wave causes rock particles vibrate back and forth in the direction of the waves?
i believe it is the primary wave (p-wave)
When a wave moves from one medium to another and changes in speed and direction?
refraction
When a wave approaches a boundary between two media obliquely does its direction of motion change or remains the same?
The direction of the wave changes if its speed is different in the two media.
