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प्रश्न
Distinguish between Primary waves and Secondary waves.
उत्तर
| S.No. | Primary waves | Secondary waves |
| (i) | These waves are the fastest of all the Earthquake waves and the first to reach the epicentre. | Secondary waves travel less faster than the primary waves. |
| (ii) | These waves pass through solids, liquids and gases. | These waves travel only through solids. |
| (iii) | The average velocity of these waves is -5.3 k.m/sec to 10.6 k.m/second. | The average velocity of these waves is 1 k.m/sec to 8 k.m/second. |
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संबंधित प्रश्न
The movement of tectonic plates is induced by ______ energy.
Many million years ago, India was a part of the super continent ______
Distinguish between Divergent and convergent boundaries.
An opening serving as an outlet for air, smoke, fumes, magma, etc. is called ______.
Match the following:
| (a) | Convergent Boundary | (i) | Away from each other |
| (b) | Divergent Boundary | (ii) | Tectonic Plates |
| (c) | Transform Boundary | (iii) | Towards each other |
| (d) | Huge slabs of rocks | (iv) | Folding |
| (e) | Lateral compressional forces | (v) | Horizontally past each other |
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?
Explain the major components of a volcano.
Explain the term
Volcanism
Give an account tsunami.
