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प्रश्न
Describe the main type of Earthquake Waves.
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उत्तर
Earthquake Waves:- Earthquake waves travel in all directions from the Focus. There are three types of earthquake waves :
- Longitudinal Waves: These are known as Primary Waves ‘P’
- Transverse Waves: These are known as Secondary Waves ‘S’.
- Surface Waves: These are called Long Waves or ‘L’ Waves.
संबंधित प्रश्न
Give reasons why an earthquake occurs.
Fill in the blank:
Most earthquakes occur on account of the strain in the _________.
Fill in the blank:
The last of the earthquake waves to arrive on the surface of the earth are ___________ waves.
What are known as seismic focus and epicenter with respect to an earthquake?
What is the difference between seismic focus and epicenter?
Is it possible to predict an earthquake? Give reasons to support your answer.
Name the important Earthquake-belts of the world.
OR
Indicate two major belts of Earthquakes.
Earthquakes occur in the Mid-Atlantic belt.
Name the causes of earthquakes.
Name three causes of Earthquakes.
Give two major causes of earthquakes.
Answer the following:
A volcanic eruption is one of the main causes of earthquakes.
Give one word for the following :
An instrument used for recording all the earth tremors and earthquakes.
The earthquake waves are recorded by an instrument known as ______.
Seismology is the study of ______.
Name the point where the vibrations originate in an earthquake.
