Name the waves which are compressional.
Long waves
Short waves
Secondary waves
Primary waves
How many types of earthquake waves?
Two
Three
Four
Five
Name the waves which travel through the Earth's interior but cannot be transmitted by liquids.
Which one of the following is used to measure the magnitude of the earthquakes?
Seismograph
Barograph
Mercalli scale
Richter scale
Which type of volcanoes are known as dead volcanoes?
Active volcanoes
Shield volcanoes
Dormant volcanoes
Extinct volcanoes
Any sudden movement of the Earth's surface is called as an :
Volcanoes
Earthquake
Plate tectonics
Magma
The direction of movement of waves and their passage at a particular point is recorded by an instrument called :
The volcanoes which have not erupted for the last few thousand years are called :
Which is an important process of construction on the Earth's surface?
Plate techtonics
Earthquakes
Mt. Stromboli and Mt. Etna in Italy, Pinatubo in Philippines and Mauna Loa in Hawaii etc are the examples of :
Conical volcanoes