With reference to the interior of the earth consider the following statements. 1] All natural earthquakes take place in the lithosphere. 2] The lithosphere refers to the portion of depth up to 200 km from the surface of the earth. 3] Earthquake waves are basically of four types — body waves, surface waves, rolling waves and shock waves. Which of the statements given above is / are correct?

1 and 3 only
2 and 3 only
1, 2 and 3
1 and 2 only

LohaHridoy

5 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 4 : 1 and 2 only

The correct answer is option 4 i.e 1 and 2 only

Statement 1 and 2 are correct about the interior of the Earth. The third one is not true as Earthquake waves are basically of two types — body waves and surface waves.
Earthquake: Earthquakes are caused by the seismic waves that are generated due to a sudden movement in the earth's crust.
- Earthquakes may occur naturally or as a result of human activities.
Tectonic earthquakes are generated due to the sliding of rocks along a fault plane.
Volcanic earthquakes are caused due to violent volcanic eruptions.
Collapse earthquakes: These type of earthquakes occurs in the areas of intense mining activities.
Explosive earthquakes: These types of earthquakes arise due to the explosion of chemical or nuclear devices.

5 views Answered 2022-09-04 04:29

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