Which of the following statements about Snell’s law in the context of a seismic survey is incorrect? Here, θ1 is the incidence angle and θ2 is the transmission angle. a. Snell’s law shows the angular relationship between the incident and transmitted waves at the interface in terms of velocities b. The angle of reflection can be different from the angle of incidence c. When a seismic wave travels from a region of low velocity to high velocity, the wave is refracted away from the normal vector of the interface d. When θ2=90 degree, a head wave develops due to critical refraction

Applications and Investigations in Earth Science (9th Edition)
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Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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Which of the following statements about Snell’s law in the context of a seismic
survey is incorrect?
Here, θ1 is the incidence angle and θ2 is the transmission angle.


a. Snell’s law shows the angular relationship between the incident and
transmitted waves at the interface in terms of velocities


b. The angle of reflection can be different from the angle of incidence


c. When a seismic wave travels from a region of low velocity to high velocity,


the wave is refracted away from the normal vector of the interface
d. When θ2=90 degree, a head wave develops due to critical refraction

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