13.
The type of wave that arrives first at a station from an earthquake hypocenter is
Answer : B. P-wave
14.
Which of the following is NOT an inverse square law?
Answer : C. Hooke’s law
15.
In a homogeneous anisotropic medium, the physical property varies
Answer : B. with direction but not with position
16.
The hardest substance available on earth is
Answer : C. Diamond
17.
During its orbital motion around the Sun, the Earth is nearest to the Sun on
Answer : C. 23rd January
18.
What is the equation used to determine the interval velocity within a series of flat and parallel layers?
Answer : B. Dix Formula
