Table of Contents
- 1 What Cannot pass through the liquid outer core?
- 2 What type of waves do not pass through liquid?
- 3 Which seismic waves Cannot pass through the outer core?
- 4 What waves can pass through the outer core?
- 5 Which type of wave can penetrate the outer core?
- 6 Why can P waves travel through liquid?
- 7 How are S waves created in the core?
- 8 Why do liquids and gases flow but solids do not?
What Cannot pass through the liquid outer core?
P-waves cannot pass through the liquid outer core of Earth. Meteorites have provided some insights into the structure of our planet. The crust is the thinnest layer of the solid Earth.
What type of waves do not pass through liquid?
S-waves cannot travel through liquids. When they reach the surface they cause horizontal shaking. Liquids don’t have any shear strength and so a shear wave cannot propagate through a liquid. Think of a solid material, like a rock.
Which waves stop when they hit the liquid outer core?
The shadow zone is the area of the earth from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves. The shadow zone results from S waves being stopped entirely by the liquid core and P waves being bent (refracted) by the liquid core.
Why secondary waves do not pass through liquid?
S-waves are shear waves, which move particles perpendicular to their direction of propagation. In fact, it is just a matter of rigidity: S-waves need a medium that is rigid enough for them to propagate. This is why S-waves cannot propagate through liquids.
Which seismic waves Cannot pass through the outer core?
The bending of seismic waves is called refraction. 6. Figure 19.2b: S-waves do not travel through the outer core, creating an even bigger shadow zone for S-waves. The fact that S-waves do not travel through the outer core suggests that the latter is liquid.
What waves can pass through the outer core?
P waves can travel through the liquid outer core. An S wave is a different beast. In an S wave, the rock particles slide past one another, undergoing shear — so an S wave is also called a shear wave.
Why transverse waves Cannot travel through liquids and gases?
Transverse waves are waves in which the displacement of the medium is perpendicular to the direction of propagation of the wave. Transverse waves cannot travel in liquid because there is no mechanism to drive motion perpendicular to the propagation of the wave.
What body wave travels slowest and Cannot pass through fluids?
Surface waves travel along the surface. There are two types of body waves: P-waves travel fastest and through solids, liquids, and gases; S-waves only travel through solids. Surface waves are the slowest, but they do the most damage in an earthquake.
Which type of wave can penetrate the outer core?
These waves can travel through solids, liquids, and gases. P waves can travel through the liquid outer core. An S wave is a different beast. In an S wave, the rock particles slide past one another, undergoing shear — so an S wave is also called a shear wave.
Why can P waves travel through liquid?
P-waves travel through liquids and gases as well as through solids. Although liquids and gases have zero rigidity, they have compressibility, which enables them to transmit P-waves.
How are P waves able to travel through the outer core?
Since the outer core is a liquid they are not able to go through it therefore making a shadow zone. P- wave shadow zone are created because of refraction. They are able to travel through both liquids and solids but they refract in the the liquid because it slows them down.
Why do seismic waves stop at the outer core?
The S- waves shadow zone is caused because S- waves can’t go through liquids, only solids, so they stop at the outer core since the outer core is liquid. The P- waves can go through everything but their shadow zone is caused when they get slower in liquid and they use refraction once they get out of the outer core.
How are S waves created in the core?
S waves do not pass through the outer liquid part of the core, but S waves can be created by P waves at the surface of the inner core and their inner core velocity is 3.6 km/s. P wave velocities increase dramatically at the boundary between the liquid outer core and the solid inner core.
Why do liquids and gases flow but solids do not?
So the tendency of of flow is maximum in case of the gases. Liquid also flow but their speed comparatively less than that of gas as they have less intramolecular space. Solid also can flow but at very slow speed as they have very less or we can say that no intramolecular space. This can be e explained with an example in our daily life.