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In simple terms the shadow zone of the S-wave is larger because of the Earth's liquid outer core. The S-wave cannot travel through the liquid outer core but the P-waves get refracted at the boundary between the mantle and the outer core. This is why the S-wave shadow zone is larger than the P wave shadow zone.
P waves are refracted at the liquid outer core of the Earth, while S waves are attenuated or stopped entirely. This allows P waves to go "around" the core and reach locations on the far side of the Earth that are within the shadow of the S waves.
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A P-wave is a longitudinal wave with an alternating stretching and compressing motion in the direction of propagation. An S wave is a transverse wave with a vertical motion perpendicular to the direction of propagation.
The shadow zone of a P-wave exists from 105 to 143 degrees (epicentral distance). This is caused by P waves meeting the liquid outer core and being refracted. Part of the P wave is also reflected by the outer core and as a result of the two, a shadow zone exists.
The shadow zone of an S-wave exists from 105 to 180 degrees (epicentral distance). S-waves cannot travel through liquids at all so rather than being refracted by the liquid outer core and traveling through it, they are totally reflected, resulting in a shadow zone from 105 to 180 degrees.
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What is the band around the earth were seismic waves are not detected?
The band around the Earth where seismic waves are not detected is called the "shadow zone." This region exists between 105 to 140 degrees from the epicenter of an earthquake and is caused by the refraction of seismic waves within the Earth's core. It is divided into two main parts, the P-wave shadow zone and the S-wave shadow zone.
P wave spend while traveling through Earth's core and then arrive at the shadow zone?
P waves travel through the Earth's core faster than S waves, causing them to slow down and bend as they pass through the outer core. This bending results in P waves creating a shadow zone on the opposite side of the Earth from the seismic event, where they are not detected by seismometers for a certain distance.
Which area of earth is unaffected by both p and s waves?
The shadow zone, located at a distance of 103 to 143 degrees from the earthquake epicenter, is the area on Earth's surface where both P and S waves are completely absorbed and do not arrive due to the core's properties.
What happens to the size of the shadow zone as the diameter of the liquid core increases?
As the diameter of the liquid core increases, the size of the shadow zone decreases. This is because the larger diameter allows for more refraction of seismic waves, leading to less complete shadowing of seismic waves at certain distances.
What is the wide belt in which no seismic waves are received?
The region is known as a seismic shadow zone, located between 104 and 143 degrees from the epicenter of an earthquake. This area exists due to the core's properties refracting seismic waves away from it, causing minimal wave detection.
Does a primary seismic wave have a larger shadow zone than a secondary wave?
no, an s-wave shadow zone is way larger
Why is the s-wave shadow zone larger than the p- wave shadow zone?
S waves cannot pass through the outer core. P waves can pass through both outer and inner core.
What is the p wave shadow zone and what cause it?
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What is p wave shadow zone and what causes it?
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Is spandex natural?
An s-wave shadow zone is formed as seismic waves travel through the Earth's body. Which of the following statements does this s-wave shadow zone indicate?
What is the band around the earth were seismic waves are not detected?
The band around the Earth where seismic waves are not detected is called the "shadow zone." This region exists between 105 to 140 degrees from the epicenter of an earthquake and is caused by the refraction of seismic waves within the Earth's core. It is divided into two main parts, the P-wave shadow zone and the S-wave shadow zone.
Why no seismic waves detected at the shadow zone?
In shadow zone, seismograph does not record signals. For P-wave it is b/w 104-145 degress.These earthquake waves exhibit same properties as other waves like reflection, refraction etc.As core has denser matter so P-waves will bend inward and hences they will form a shadow zone. S-waves don't pass through liquid phase, core. So, shadow zone is larger here.
What is the p-wave shadow zone and what causes it?
It is known as the penumbra and the area in total shadow is the umbra
P wave spend while traveling through Earth's core and then arrive at the shadow zone?
P waves travel through the Earth's core faster than S waves, causing them to slow down and bend as they pass through the outer core. This bending results in P waves creating a shadow zone on the opposite side of the Earth from the seismic event, where they are not detected by seismometers for a certain distance.
What is the s wave shadow zone?
S waves, transverse waves that oscillate up and down, will travel around objects that they encounter when the objects are larger than the wave lengths. So directly on the far side of the objects they encounter there are no S waves because they have not come back together again. That's the shadow zone. You can see this in a simply experiment. Put a glass tumbler in the middle of a large flat pan and fill the pan with water. With the water now flat and smooth create a wave by dipping your finger in the water repeatedly. You'll see the waves approach the glass and then wrap around it, but they won't rejoin immediately. There will be still water on the far side of the glass...that's the shadow zone.
Which area of earth is unaffected by both p and s waves?
The shadow zone, located at a distance of 103 to 143 degrees from the earthquake epicenter, is the area on Earth's surface where both P and S waves are completely absorbed and do not arrive due to the core's properties.
What does the shadow zone tell scientists about the earth's core?
the shadow zone is a result of the core stopping
