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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
Fill in the blank:
Most earthquakes occur on account of the strain in the _________.
Fill in the blank:
___________ are the first earthquake waves to be recorded on a seismograph of an earthquake.
Fill in the blank:
The last of the earthquake waves to arrive on the surface of the earth are ___________ waves.
Fill in the blank:
About 70 percent of the earthquakes occur in the _________________ Belt.
What is called an earthquake?
Name two man-made causes of an earthquake.
What are known as seismic focus and epicenter with respect to an earthquake?
What is known as the Richter scale?
How are earthquakes useful?
Describe how earthquakes are caused on the surface of the earth.
How is the intensity of an earthquake measured?
Why are earthquakes related to volcanoes?
Give one word for the following :
The surface position immediately above the origin of an earthquake.
Give reasons for the following:
Internal processes are different from external processes.
Define Earthquake.
The earthquake is measured by the ______ scale.
In India, the Himalayan region and the ______ valley are prone to earthquakes.
Choose the odd one.
focus, epicenter, vent, seismic waves
