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प्रश्न
Give reasons for the following:
Internal processes are different from external processes.
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उत्तर
Internal processes are associated with tectonic forces resulting in drastic changes e.g. earthquakes volcanoes etc. External processes are carried on by natural agents of change e.g. water wind and ice which produce gradual changes.
संबंधित प्रश्न
Give a geographical reason.
Buildings collapsed at the foothills of the Himalayas because of an earthquake. Before collapsing, they were moving forward and backward.
What is called an earthquake?
Name two man-made causes of an earthquake.
What is known as the Richter scale?
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. |
Explain the three types of earthquake waves.
What is the difference between seismic focus and epicenter?
What is an Earthquake?
Earthquakes occur in the Mid-Atlantic belt.
Describe the main type of Earthquake Waves.
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 magnitude of an earthquake is measured by ______.
Seismology is the study of ______.
Choose the odd one
Choose the odd one
What is Seismograph?
On an outline map of the world, mark the Pacific Ring of Fire
An earthquake of magnitude ______ scale can cause damage from things falling.
Choose the odd one.
focus, epicenter, vent, seismic waves
