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प्रश्न
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. |
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उत्तर
| Column A | Column B |
| 1. Tsunami | (c) Harbour waves generated by oceanic earthquakes. |
| 2. Seismograph | (e) An instrument for recording the movement of earthquake waves. |
| 3. S-waves | (a) The waves that make the inhabitants feel the ground motion. |
| 4. Richter scale | (b) The instrument for measuring the intensity of earthquakes. |
| 5. Epicentre | (d) The point on the earth surface directly above the seismic focus. |
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.
Give reasons why an earthquake occurs.
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.
Name two man-made causes of an earthquake.
What is known as the Richter scale?
Explain the three types of earthquake waves.
What is the difference between seismic focus and epicenter?
What is an Earthquake?
Name the instrument used to record Earthquakes.
Describe the main type of Earthquake Waves.
Name the causes of earthquakes.
Give one word for the following :
The surface position immediately above the origin of an earthquake.
Define Earthquake.
The earthquake is measured by the ______ scale.
In India, the Himalayan region and the ______ valley are prone to earthquakes.
Name the point where the vibrations originate in an earthquake.
Choose the odd one.
focus, epicenter, vent, seismic waves
