Geology and Geophysics
2021 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE GG-1 2021 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 34–36 of 65. Imported answers require review unless explicitly marked reviewed.
Question 24
Open questionGG - G1NAT1 markNeeds review
In a 2D seismic survey, first receiver location is at (1000 m, 400 m), second receiver location is at (2000 m, 400 m) and the source location is at (2000 m, 1000 m). Consider P-wave velocity as 5000 m/sec. The difference in first arrival time of P-wave phase for the two receivers is ______ seconds. [round off to 2 decimal places].
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Open questionGG - G1NAT1 markNeeds review
The potential difference measured between potential electrodes using Wenner array is 500 mV when a current of 2 A is passed through the subsurface between current electrodes. If the computed apparent resistivity is 100 Ωm then the distance between the current electrodes will be ______ m. [round off to 2 decimal places] (Use π = 3.14)
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Open questionGG - G1MCQ2 marksNeeds review
Which one of the following statements is CORRECT?
Your answerChoose one option.
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