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प्रश्न
Distinguish between primary waves and secondary waves.
अंतर स्पष्ट करें
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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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Geomorphic Processes
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