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Because of interference of other waves & interruption of objects
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∙ 14y ago
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Why do seismic waves change speed?
"True, the Seismic Waves change speed and direction when they encounter different materials."
The wave patterns seen in Figure 25.6 are composed of circles What does this tell you about the speed of the waves in different directions?
speed of the waves will not change by the pattern of waves. the speed of a wave will change only when the medium or its properties change.
How does a change in speed cause a change in direction?
newton's
What is a seisemic wave?
Geologists record the seisemic waves and study how they travel through Earth. different types of waves behave differently. The speed of the waves and the paths they take reveal the structure of the planet. That's all I know................................
If the bug in the demonstration moves forward does the speed of the waves change. What does change?
The speed of the wave stays same but the frequency change due to motion.
How do scientists study the center of the earth?
they use seismatic waves and study their paths how deep they go their speed etc. they also use earthquakes by recording them and studying how they travel and their speed as well.
What is the speed of gravitiy?
Gravitational waves propagate at the speed of light. Any change in the distribution of masses will propagate at that speed.
What is Refracted Wavefront?
Refracted Wavefront is the bending of the path of the waves, is accompanied by a change in speed and wavelength of the waves.
How the structure of earth interior affects seismic waves speed and direction?
The structure of Earth's interior affects seismic wave speed and direction differently at different boundaries. As P waves enter the mantle, they pick up speed until they enter the core, where the wave paths are bent sharply.
The bending of waves due to a change in speed is?
It is Refraction
What property of light waves can be observed as light waves pass from one medium to another and change speed?
diffraction
Electromagnetic waves slow down or change direction?
Electromagnetic waves are produced by the acceleration of an electric charge. Electromagnetic waves have the same speed in a vacuum (or space). They can slow down and change direction.
