How are seismic waves used to provide evedence about earths interior?

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Description : Which of the following is not true about earthquake? Options: A) The shaking of ground is known as earthquake B) It is a geological hazard C) Seismic waves generated by earthquakes are invaluable for studying the interior of earth D) Tsunami causes earthquakes

Last Answer : D) Tsunami causes earthquakes 

Description : What is the epicentre of an Earthquake? (1) The point at which earth-quake originates (2) The point which is prone to volcanoes (3) The point from which the intensity of seismic waves declines (4) The point on the earth's surface vertically above the seismic focus

Last Answer : (4) The point on the earth's surface vertically above the seismic focus Explanation: The epicenter is the point on the Earth's surface that is directly above the hypocenter or focus, the point where ... point where the fault begins to rupture, and in most cases, it is the area of greatest damage.

Description : What is the epicentre of an Earthquake? (1) The point at which earthquake originates (2) The point which is prone to volcanoes (3) The point from which the intensity of seismic waves declines (4) The point on the earth’s surface vertically above the seismic focus

Last Answer : The point on the earth’s surface vertically above the seismic focus

Description : What are three forms of evedence used to support th big bang theory?

Last Answer : Three important pieces of evidence are:* The redshift of distantgalaxies. This means that galaxies are moving away from us.* The percentages of elements and isotopes. This closely matchespredictions from theory.* The cosmic background radiation. This, too, closely matchespredictions from theory.

Description : Which proper order of seismic waves as they are received at seismograph station? -General Knowledge

Last Answer : The answer is 'P-wave, S-wave, L-wave'

Description : Which proper order of seismic waves as they are received at seismograph station? -General Knowledge

Last Answer : answer:

Description : Why do seismic waves change velocity?

Last Answer : What is the answer ?

Description : What seismic waves can travel through solids and liquids?

Last Answer : What is the answer ?

Description : How does earth solid inner core effect seismic waves?

Last Answer : Need answer

Description : Seismic sea waves which approach the coasts at greater force arc known as – (1) Tides (2) Tsunami (3) Current (4) Cyclone

Last Answer : (2) Tsunami Explanation: A tsunami is a series of water waves caused by the displacement of a large volume of a body of water, typically an ocean or a large lake. Earthquakes, volcanic ... initially resemble a rapidly rising tide, and for this reason they are often referred to as tidal waves.

Description : Which proper order of seismic waves as they are received at seismograph station?

Last Answer : P-wave, S-wave, L- wave

Description : Places experiencing equal impact of an earthquake are called---------? A. Seismic lines (Answer) B. Seismic built C. Seismic plates D. Seismic waves

Last Answer : A. Seismic lines (Answer)

Description : Tsunami is also known as (a) Tectonic Sea waves (b) Seismic Sea waves (c)Plactonic Sea waves (d) Systonic Sea waves

Last Answer : (b) Seismic Sea waves

Description : Seismic waves during earthquake are recorded and studied with the help of an instrument called as (a) Richter scale (b) Seismograph (c) Lithograph (d) Cardiograph

Last Answer : (b) Seismograph

Description : What is the point or place that is the first to record the seismic waves? (a) Seismic point (b) Epicenter (c) Focal point (d) Epipoint

Last Answer : (b) Epicenter

Description : An enormous amount of energy is released during an earthquake as seismic waves which are of (a) Primary or pressure waves(P-waves) (b) Secondary or transverse waves(S-waves) (c) Long waves or surface waves(L-waves) (d) All of the above

Last Answer : (d) All of the above

Description : Seismic sea waves which approach the coasts at greater force are known as (SSC CGL 1st Sit. 2010) (a) Tides (b) Tsunami (c) Current (d) Cyclone

Last Answer : (b) Tsunami

Description : Instrument used to find the source of seismic waves is known as a) seismometer b) voltmeter c) galvanometer d) ammeter

Last Answer : a) seismometer

Description : Enlist various types of seismic waves. How it can be recorded?

Last Answer : ii) P or Primary waves iii) S or Secondary waves iv) L or long waves The vibrations that are set up when an earthquake propagated as number of different types of waves. Different types ... A major shock recorded by seismograph and its epicenter, time of origin, depth of focus, magnitude etc.

Description : Enlist various types of seismic waves and explain one.

Last Answer : Types of seismic waves 1. Primary or Longitudinal Waves 2. Secondary or Traverse waves 3. Long or surface waves-Rayleigh waves and love waves Primary Waves- (P-wave)- These ... These waves gives major destruction during earthquake . these waves are complex in nature having large amplitude.

Description : In case of earthquakes, an increase of magnitude 1 on Richter Scale implies (A) a ten-fold increase in the amplitude of seismic waves. (B) a ten-fold increase in the energy of the seismic waves. ... in the amplitude of seismic waves. (D) two-fold increase in the energy of seismic waves.

Last Answer : (A) a ten-fold increase in the amplitude of seismic waves.

Description : Seismic sea waves which approach the coasts at greater force are known as (1) Tides (2) Tsunami (3) Current (4) Cyclone

Last Answer : Tsunami

Description : How strange is the Earth's interior?

Last Answer : Wow that's fascinating!!! I'm wondering what kind of implications this has for the possibilities of other dimensions of space I mean as I understand it physicalists tend to claim that all there is is ... with the ascent of metaphysics???) so could this be a link to the spiritual dimension? :-/

Last Answer : 3 main parts inside the earth.

Description : In the earths interior which zone has a temperature higher than its melting point?

Last Answer : Need answer

Description : What two types of rock provided evidence of the composition of Earths interior?

Last Answer : What two types of rock provided evidence of the composition of Earth'sinterior

Description : Where would you most likely find iron in earth's interior?

Last Answer : The inner and outer core would be the likeliest place to findiron in earth's interior.

Description : What did geologists use to learn about earth's interior from direct evidence?

Last Answer : Studying how seismic waves refract inside the earth and if they"cast shadows" indicating that some layers inside earth are opaqueto some types of seismic waves.Seismic waves "illuminate" the interior of the ... room, permitting what is there to be seen if youhave the correct tools to observe them.

Description : How do scientists know about the structure of the earth's interior?

Last Answer : Because of the study of seismic waves from earthquakes

Description : What is The inferred temperature and pressure of the earths interior at a depth of 3000 kilometers are approximately?

Last Answer : What is the answer ?

Description : In which region of earths interior does the heat increase to the point that rocks can begin to melt?

Last Answer : asthenosphere

Description : The term 'epicentre' is associated with— (1) earthquake (2) folding (3) faulting (4) earth's interior

Last Answer : (1) earthquake Explanation: The epicenter is the point on the Earth's surface that is directly above the hypocenter or focus, the point where an earthquake or underground explosion originates. In the ... length of the fault rupture is much longer, and damage can be spread across the rupture zone.

Description : The atmosphere near the earth's surface is heated from below. Which of the following does not significantly contribute to this heating -----------? A. Conduction of heat upward from a ... infrared energy that has been radiated from the surface D. Heat energy from the earth's interior (Answer)

Last Answer : D. Heat energy from the earth’s interior (Answer)

Description : The term ‘epicentre’ is associated with (1) Earthquakes (2) Tornadoes (3) Cyclones (4) Earth’s interior

Last Answer : (1) Earthquakes

Description : The term ‘epicentre’ is associated with— (1) earthquake (2) folding (3) faulting (4) earth’s interior

Last Answer : earthquake

Description : Do you live in active seismic zone?

Last Answer : Article is bullshit. The Earth doesn’t periodically slow down.

Description : Is there anything unusual about this latest seismic activity with the earthquakes?

Last Answer : Earthquakes don’t get much TV news coverage unless they strike a major city. However, geological study groups have a lot of new information to process and they are likely not sitting idle.

Description : What is the name of the seismic detector ?

Last Answer : The name of the seismometer is "seismograph".

Description : What is Seismic Risk Zone ?

Last Answer : In 1979, the French Engineering Consortium made a map of the seismic cycle of Bangladesh. It shows three rings. The first ring is described as ' catastrophic ', the second ring as ' dangerous ' and the third ring as ' minor ' . These rings are called ' seismic risk zones ' .

Description : In which case seismic survey is done ?

Last Answer : Seismic survey is done to find oil and gas underground.

Description : What type of seismic wave after an earth quake arrives second at a seismometer?

Last Answer : S Waves

Description : Why do you need three seismic to find epicenter of an earthquake?

Last Answer : Triangulation (using data from three seismic centres) will accurately pinpoint the epicentre of an earthquake. Where the three bearings cross is the epicentre.

Description : What is it called when a seismic wave bounces backwards when it reaches a boundary?

Last Answer : Answer: When a seismic wave 'bounces backward' and reaches a boundary, it is called Reflection. Explanation: The seismic waves are the result of the landslides, earthquakes, volcanic eruptions, explosions by humans

Description : Which one of the following pairs is not correctly matched? [CDS 1999] (a) Flood-prone area: North Bihar Plain (b) Drought-prone area: Kalahandi district of Orissa (c) Seismic zone: Himalayan region (d) Landslide zone: Chhotanaqpur plateau

Last Answer : Ans: (d)

Description : Magnitude of energy released by an earthquake is calculated using ----? A. Earthquake scale B. Seismic scale C. Richter scale (Answer)

Last Answer : C. Richter scale (Answer)

Description : Which zone is considered the highest vulnerability zone of the seismic zonation map of India? (a) Zone-IV (b) Zone-V (c) Zone-III (d) Zone-

Last Answer : (b) Zone-V

Description : Which area in the world witness’s highest seismic earthquake activity in the world. a. Mid-continental belt b. Cir-cum Pacific belt c. Mid-Atlantic belt d. All of the above

Last Answer : b. Cir-cum Pacific belt

Description : Pick up the commonly adopted geophysical method in civil engineering from the following: (A) The seismic method (B) Electrical resistivity method (C) Gravitational method (D) Both (a) and (b) of the above

Last Answer : Answer: Option D

Description : Now India is divided into ____________ seismic zones. (A) 5 (B) 3 (C) 6 (D) 4

Last Answer : (D) 4

Description : Which layer of the earth’s atmosphere reflects back the radio waves to the earth’s surface? (1) Ionosphere (2) Stratosphere (3) Mesosphere (4) Exosphere

Last Answer : (1) Ionosphere Explanation: Long distance propagation of radio waves depends on an invisible layer of charged particles, which envelops the Earth. This layer of charged particles known as the ionosphere ... communication during the early part of the twentieth century, the ionosphere came as a boon.