Multiple choice

The changes in seismic velocity between different layers causes refraction owing to

  1. Snell's law

  2. Ferrel’s law

  3. Bode’s law

  4. Coriolis law
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A Correct answer
Explanation

Snell's law is a formula used to describe the relationship between the angles of incidence and refraction, when referring to light or other waves passing through a boundary between two different isotropic media, such as water and glass.

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