An elastic wave generated by an impulse such as an earthquake or an explosion is called ______. (SSC CGL 13 AUGUST 2021 SHIFT 2 GK)

A. Tectonic shift
B. Epicenter
C. Seismic wave
D. Sound wave

Solution: C
Seismic waves are waves caused when earthquake occurs.  The waves are caused by sudden movement of materials within the Earth, such as slip along a fault during an earthquake. Volcanic eruptions can also cause seismic waves.
Hence, option (C) is correct.
Read more about Earthquake and its causes.

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