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    which one of the following earthquake waves is more destructive

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    Question

    The most destructive earthquake waves are ___________.

    A

    primary waves

    B

    secondary waves

    C

    surface waves

    D

    all of these

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    स्रोत : www.toppr.com

    [Solved] Which one of the following earthquake waves is more destruct

    The correct answer is Surface waves. Key Points Earthquake: An earthquake (also known as a quake, tremor, or temblor) is the shaking of the surface of

    Home General Knowledge Geography (World Geography) Geomorphology Internal forces

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    Which one of the following earthquake waves is more destructive?

    P-waves Surface waves S-waves None of the above

    Answer (Detailed Solution Below)

    Option 2 : Surface waves

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    Detailed Solution

    Download Solution PDF

    The correct answer is Surface waves.

    Key Points

    Earthquake:

    An earthquake (also known as a quake, tremor, or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves

    There are two types of the earthquake,

    Body wave: 'P' wave and 'S' wave

    Surface wave: 'L' wave and 'R' wave

    Body waves are formed when energy is released at the focus and travel in all directions through the earth's body. As a result, the term "body waves" was coined.

    Surface waves –  The interaction of the body waves with the surface rocks produces a new set of waves known as surface waves.

    It travels only on the surface.

    It travels slower but due to its larger amplitude, it creates more destruction.

    With the use of a seismograph record, differences in the direction of waves can be determined.

    On seismographs, the surface waves are the last to report.

    These waves are extremely dangerous. They are responsible for rock displacement

    Earthquake wave Characteristics

    P - waves

    P-wave is one of the two main types of elastic body waves, called seismic waves in seismology.

    Also known as the primary wave or the pressure wave.

    P-waves travel faster than other seismic waves and hence are the first signal from an earthquake to arrive at any affected location or at a seismograph.

    P-waves may be transmitted through gases, liquids, or solids.

    S - waves

    S-waves are transverse waves that move perpendicular to the direction of propagation.

    S-waves are slower than P-waves.

    Therefore, they appear later than P-waves on a seismogram.

    Fluids cannot support the perpendicular motion, so S-waves only travel in solids.

    R - waves

    Also known as the Rayleigh wave.

    It has both compressional and shear motions.

    These waves result from the interaction of P-waves and vertically polarized S-waves with the surface and can exist in any solid medium.

    L - waves

    Also known as love wave

    It is a purely shear wave.

    These waves are formed by horizontally polarized S-waves interacting with the surface, and can only exist if there is a change in the elastic properties with depth in a solid medium, which is always the case in seismological applications.

    This is more destructive at the epicentre.

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    More Geomorphology Questions

    Q1. Individual lava flows are normally only a few feet thick, but over a long period of time, repeated flows may build up a volcano. Such volcanoes are termed as:Q2. Weathering, mass wasting, erosion and transportation are indicators of which one of the following processes?Q3. Consider the following statements : 1. Rocks do not remain in their original form for long and undergo transformation. 2. Transformation of rocks is caused by weathering, erosion and metamorphic action. Which of the statements given above is/are correct?Q4. Which of the following statements is/are NOT true with reference to the measurement of earthquakes?  Statements:  I. The Mercalli scale measures the intensity of earthquakes on levels ranging from 1 to 9. II. The Richter scale assigns a numerical value to quantify energy released during an earthquake. III. The Moment magnitude scale is used to determine the size of an earthquake.

    स्रोत : testbook.com

    What is the most destructive wave?

    There are three types of seismic waves. Check this page to know what is the most destructive form of seismic waves.

    JEE QuestionsWhat Is The Most Destructive Wave

    What is the most destructive wave?

    The most destructive seismic wave is surface waves. The surface waves will move just under the surface of the Earth. Surface waves move the slowest but cause the maximum damage to human-made structures.

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