Why do seismic waves change velocity?

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.

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

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.

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

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

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

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

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)

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

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

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

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

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

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

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

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

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

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

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

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

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

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.

Enlist various types of seismic waves and explain one.

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.

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

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

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. (C) two-fold increase in the amplitude of seismic waves. (D) two-fold increase in the energy of seismic waves.

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.

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

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

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

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

Do you live in active seismic zone?

Description : Do you live in active seismic zone?

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

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

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.

What is the name of the seismic detector ?

Description : What is the name of the seismic detector ?

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

What is Seismic Risk Zone ?

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 ' .

In which case seismic survey is done ?

Description : In which case seismic survey is done ?

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

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

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

Last Answer : S Waves

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

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.

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

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

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

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)

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

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)

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-

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

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

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

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

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

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

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

Last Answer : (D) 4

waves Velocity Who Say ?

Last Answer : specific Towards Waves One In seconds That Distance Exceed By Him Waves Velocity Says.

The fundamental characteristic of all waves are (a) Wavelength (b) Frequency (c) Velocity (d) All the above

Description : The fundamental characteristic of all waves are (a) Wavelength (b) Frequency (c) Velocity (d) All the above

Last Answer : Ans:(d)

Velocity of sound waves through any material depends on A. the material's density ‘d’ only B. the material's density ‘d’ as well as its modulus of elasticity ‘E’ C. the material's modulus of elasticity ‘E’ only D. neither the material's density ‘d’ nor its modulus of elasticity ‘E’

Description : Velocity of sound waves through any material depends on A. the material's density ‘d’ only B. the material's density ‘d’ as well as its modulus of elasticity ‘E’ C. the material's modulus of elasticity ‘E’ only D. neither the material's density ‘d’ nor its modulus of elasticity ‘E’

Last Answer : the material's density ‘d’ as well as its modulus of elasticity ‘E’

Compared to the velocity of propagation of waves in air, what is the velocity of propagation of waves in waveguides?

Description : Compared to the velocity of propagation of waves in air, what is the velocity of propagation of waves in waveguides?

Last Answer : Slower.

Speed in a given direction A. Wavelength B. Frequency C. Velocity D. Waves per second

Description : Speed in a given direction A. Wavelength B. Frequency C. Velocity D. Waves per second

Last Answer : A. Wavelength

If viewed on an oscilloscope, the loudness of a sound wave would be associated with the wave's: w) frequency x) wavelength y) velocity z) amplitude

Description : If viewed on an oscilloscope, the loudness of a sound wave would be associated with the wave's: w) frequency x) wavelength y) velocity z) amplitude

Last Answer : ANSWER: Z -- AMPLITUDE

Which of the answers listed below best completes the statement: The rate at which any part of a wave travels from one place to another determines the wave's: w) propagation velocity x) period y) amplitude z) frequency

Description : Which of the answers listed below best completes the statement: The rate at which any part of a wave travels from one place to another determines the wave's: w) propagation velocity x) period y) amplitude z) frequency

Last Answer : ANSWER: W -- PROPAGATION VELOCITY

The velocity of electromagnetic ratio waves is

Last Answer : The velocity of electromagnetic ratio waves is 3 x 10⁸ m / s.

Why do seismic waves change velocity?

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