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Geological Engineering · Q76

Geophysical Methods in Engineering

Engineering and GATE · Geological Engineering · question 76

Q76

What is the main principle behind seismic reflection methods?

A.
Wave bending at layer interfaces
B.
Wave absorption in soft layers
C.
Wave bouncing off subsurface boundaries
Answer
D.
Surface vibration detection

Answer: Option C

Solution

Answer: Option C
Solution:
Seismic reflection works on the principle that seismic waves reflect off subsurface boundaries between layers of different acoustic impedance.It is widely used for detailed imaging.