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प्रश्न
Fill in the blank:
___________ are the first earthquake waves to be recorded on a seismograph of an earthquake.
उत्तर
P (primary or push waves) are the first earthquake waves to be recorded on a seismograph of an earthquake.
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
Most earthquakes occur on account of the strain in the _________.
Fill in the blank:
The last of the earthquake waves to arrive on the surface of the earth are ___________ waves.
Fill in the blank:
The giant sea waves caused by earthquakes in the oceans are called ___________.
How are earthquakes useful?
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. |
Name the instrument used to record Earthquakes.
Name some Earthquakes which caused great damage.
Name the causes of earthquakes.
Give one word for the following :
The surface position immediately above the origin of an earthquake.
The magnitude of an earthquake is measured by ______.
Seismology is the study of ______.
Choose the odd one
What is Seismograph?
How the earthquake can be recorded?
Give a note on Tsunami 2004.
Name the point where the vibrations originate in an earthquake.
Choose the odd one.
focus, epicenter, vent, seismic waves
