Interior of the earth
Which one of the following earthquake waves is more destructive?
P-waves
S-waves
Surface waves
None ofthe above.
Which one of the following is a direct source of information about the interior of the earth?
Earthquake waves
Volcanoes
Gravitational force .
Earth magnetism
Which type of volcanic eruptions have caused Deccan Trap formations?
Shield
Flood
Composite
Caldera.
Which one of the following describes the lithosphere?
Upper and lower mantle
Crust and upper mantle
Crust and core
Mantle and core
Identify the type of volcano
Shield
Flood basalt Provinces
Caldera
Mid pacific ridge
________ waves vibrate parallel to the direction of the wave. This exerts pressure on the material in the direction of the propagation. As a result, it creates density differences in the material leading to stretching and squeezing of the material.
P
S
T
R
the direct sources of information about the interior of the earth are:
Magnetic field
Mining
Seismic activity
Meteors
Which of these is not an indirect source for studying interior of the earth
Gravitation
Magnetic field
Seismic activity
Drilling projects
The point where the energy is released is called of an earthquake
focus
Epicentre
Recurring Centre
Core
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