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प्रश्न
What is an Earthquake and how it occurs?
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उत्तर
- Earthquakes generate seismic waves.
- The nature, force and speed of these seismic waves depend on the nature of medium through which it
- The Point of origin of an earthquake is called focus
- Epicentre is a point on the Earth surface that lies directly above the focus
- The impact of the earthquacke is felt most at the epicentre.
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संबंधित प्रश्न
The movement of tectonic plates is induced by ______ energy.
Statement I: Mountain ranges are formed by the collision of tectonic plates
Statement II: The movement of tectonic plates is due to the thermal energy from the mantle.
What is a Volcano?
What are seismic waves?
Match the following:
| (a) | Focus | (i) | L-Waves |
| (b) | Surface Waves | (ii) | S-Waves |
| (c) | Seismometer | (iii) | P-Waves |
| (d) | Secondary Waves | (iv) | Hypocenter |
| (e) | Primary Waves | (v) | Instrument |
Consider the given statement:
Statement I: Volcanoes can also be classified based on the periodicity of eruptions, as Active volcano, Dormant volcano, and Extinct volcano.
Statement II: A lava dome is roughly a circular mound formed due to the slow ejection of viscous lava from a volcano.
Which of the following statements(s) is/are true?
Consider the given statement
- The plates move vertically in convergent Boundary.
- The plates pull away from each other in the Transform boundary.
- The plates slide horizontally past each other in Transform Boundary.
What do you know about the Active Volcano?
Give an account tsunami.
Which one of the following processes is a gradational process?
