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प्रश्न
The earthquake waves are recorded by an instrument known as ______.
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उत्तर
The earthquake waves are recorded by an instrument known as seismograph.
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संबंधित प्रश्न
For the formation of a rift valley, which of the following processes should occur in the earth’s crust?
Arrange the following statements in chronological order in which an earthquake occurs.
- The earth’s surface vibrates.
- The plates suddenly move.
- Due to the movements in the mantle, compression goes on increasing.
- Along the weak points ( faultlines) rocks break apart.
- Stored energy is released in the form of seismic waves.
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.
What is called an earthquake?
What are known as seismic focus and epicenter with respect to an earthquake?
Match the Columns.
| Column A | Column B |
| 1. Tsunami | (a) The waves that make the inhabitants feel the ground motion. |
| 2. Seismograph | (b) The instrument for measuring the intensity of earthquakes. |
| 3. S-waves | (c) Harbour waves generated by oceanic earthquakes. |
| 4. Richter scale | (d) The point on the earth surface directly above the seismic focus. |
| 5. Epicentre | (e) An instrument for recording the movement of earthquake waves. |
Name the instrument used to record Earthquakes.
Name some Earthquakes which caused great damage.
Give two major causes of earthquakes.
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.
The magnitude of an earthquake is measured by ______.
Define Earthquake.
The earthquake is a ______ activity.
An earthquake of magnitude ______ scale can cause damage from things falling.
Name the point where the vibrations originate in an earthquake.
What is the point of the earth’s surface directly above the focus called?
Choose the odd one.
focus, epicenter, vent, seismic waves
