Geophysics 355-University of Calgary

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Geophysics (GOPH 355-UCAL) Midterm Exam I

The exam will be part written and part MC
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Credits: Based on the excellent class notes provided by, Dr. Kristopher Innanen during Winter 2013.
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Intro to Geophysics Midterm I Concepts


– Fermat’s and Huygen’s principles

  • What are the two tenets of them?
  • How does it related to wave propagation?

– Different types of modules

  • E, k, λ, etc
  • What each of them represent?

– Snell’s Law

  • What is a critical angle?
  • What happen to a ray that enters into a medium at exactly at it’s critical angle?
  • What is the behavior of a ray that would enter a medium that allow it to travel faster than the incident medium?
  • What is the relation between the law and the seismic waves?

– What are the two types of seismic waves and how do their behaviors differ from each other?
– Can you do the proofs of all the formula used in class?
– Understanding shot records

  • Be able to recognize a shot record
  • Where is the ground roll, air blast, the source, direct arrival, reflected arrival?
  • What is noise and most of which concentrated where on the shot record?
  • What is recorded on x and y axises of a shot record?

– Several types of waves generated by a seismic source

  • Head wave, direct wave, reflected wave, transmitted wave, etc
  • How do they differ from each other?
  • Which is relatively faster and what are the implications of it?
  • Why do we care about different types of waves?

– What are the four types of gather?
– What is RMS, NMO and zero-offset?



Geophysics (GOPH 355-UCAL) Midterm Exam II

Some questions have hints and explanations. Click Start to begin.
Start

Congratulations - you have completed Geophysics (GOPH 355-UCAL) Midterm Exam II.

You scored %%SCORE%% out of %%TOTAL%%.

Your performance has been rated as %%RATING%%


Your answers are highlighted below.
Return
Shaded items are complete.
12345
678910
1112131415
1617181920
2122232425
26272829End
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Credits: Based on the excellent class notes provided by, Dr. Kristopher Innanen during Winter 2013.
FAQ | Report an Error


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