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Previous year question hub

Geophysical Signal Processing - Advanced topics in Geophysics - Geology & Geophysics Previous Year Questions

Practice Geophysical Signal Processing - Advanced topics in Geophysics - Geology & Geophysics previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

20Papers
19Years
69Questions
1Topics

Geophysical Signal Processing question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 41 59.4%
Medium 27 39.1%
Hard 1 1.4%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 48 69.6%
Numerical Answer Type (NAT) 12 17.4%
MSQ 5 7.2%
Fill in the blanks 4 5.8%

Subject weightage

Top subjects by unique question coverage.

Geology & Geophysics
69 Qs

Most asked topics

Top topics across the included previous year papers.

Advanced topics in Geophysics
69 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Geophysical Signal Processing
69 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Geology and Geophysics - Geophysics (GG) 2026
7 Qs
Geology & Geophysics (GG) 2025 [Session 1]
1 Qs
Geology & Geophysics (GG) 2025 [Session 2]
1 Qs
Geology & Geophysics (GG) 2024 [Session 2]
4 Qs
Geology & Geophysics (GG) 2023 [Session 2]
2 Qs
Geology & Geophysics (GG) 2022
6 Qs
Geology & Geophysics (GG) 2021
2 Qs
Geology & Geophysics (GG) 2020
3 Qs
Geology & Geophysics (GG) 2019
1 Qs
Geology & Geophysics (GG) 2018
2 Qs
Geology & Geophysics (GG) 2017
3 Qs
Geology & Geophysics (GG) 2016
2 Qs
Geology & Geophysics (GG) 2014
5 Qs
Geology & Geophysics (GG) 2013
3 Qs
Geology & Geophysics (GG) 2012
2 Qs
Geology & Geophysics (GG) 2011
4 Qs
Geology & Geophysics (GG) 2010
7 Qs
Geology & Geophysics (GG) 2009
7 Qs
Geology & Geophysics (GG) 2008
4 Qs
Geology & Geophysics (GG) 2007
3 Qs

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Geology and Geophysics - Geophysics (GG) 20262026
7 questions in this view		2026
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 2025 [Session 1]2025
1 questions in this view		2025
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 2025 [Session 2]2025
1 questions in this view		2025
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 2024 [Session 2]2024
4 questions in this view		2024
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 2023 [Session 2]2023
2 questions in this view		2023
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20222022
6 questions in this view		2022
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Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20212021
2 questions in this view		2021
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20202020
3 questions in this view		2020
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20192019
1 questions in this view		2019
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20182018
2 questions in this view		2018
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20172017
3 questions in this view		2017
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20162016
2 questions in this view		2016
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20142014
5 questions in this view		2014
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20132013
3 questions in this view		2013
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20122012
2 questions in this view		2012
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20112011
4 questions in this view		2011
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20102010
7 questions in this view		2010
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20092009
7 questions in this view		2009
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20082008
4 questions in this view		2008
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Geology & Geophysics (GG) 20072007
3 questions in this view		2007
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download

All Geophysical Signal Processing previous year questions

Practice every matching question in batches of 20, with every available option.

1
2008 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2008

A radioactive substance decays to one third of its original value in 6 hours time. What is the half-life (in hours) of the substance?

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2
2008 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2008

Fourier analysis matches the signal by a series of sinusoids. Each member of the series fits an exact number of

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3
2008 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2008
The cross-correlation between these two time series for zero lag is
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4
2008 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2008

The convolution of the data sets results in a time series

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5
2009 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2009
Match the following functions in time-domain with their fourier spectra :
Group I
P. \(\Pi(t)=\begin{cases} 1, & -1/2 \le t \le 1/2 \\ 0, & t < -1/2 \text{ and } t > 1/2 \end{cases}\)
Q. Dirac delta function, \(\delta(t)\)
R. \(x(t)=e^{-|t|}\)
S. \(\Lambda(t)=\begin{cases} 1+t, & -1 < t < 0 \\ 1-t, & 0 < t < 1 \\ 0, & \text{otherwise} \end{cases}\)
Group II
1. \(1\)
2. \(\frac{\sin(\pi f)}{f}\), where \(f\) is frequency
3. \(\frac{2}{1+4\pi^2 f^2}\), where \(f\) is frequency
4. \(\frac{\sin^2(\pi f)}{f^2}\), where \(f\) is frequency
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6
2009 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2009

The minimum appreciable amplitude recorded by a seismometer is 0.2 mm and the maximum one is 20.0 cm, then the dynamic range in dB is

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7
2009 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2009
Which of the following is a minimum-phase wavelet ? The first value in each case is at time zero.
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8
2009 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2009

A counting rate of 15,100 counts per minute is recorded by a radiation counter having a dead time of 300 μsec. The count rate (counts per minute) in the absence of dead time would be

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9
2009 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2009
The output of a linear and invariant system for a unit input is {3, 1}. Then what would be the output for an input {-2, 1} ?
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10
2009 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2009
The cross-correlation, φₐᵦ, is given by
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11
2009 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2009
The inverse of wavelet ‘a’, Wₐ⁻¹ is given by
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12
2010 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2010

Energy in radioactive decay with respect to time follows

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13
2010 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2010
An input signal {-1,1,0,2}, after passing through a delay operator \(z\), will be
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14
2010 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2010
The Hilbert transform of a function \(f(t)\) is denoted by \(H\{f(t)\}\}. If \(f(t) = \sin t\), then \(H\{H\{f(t)\}\}\) is
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15
2010 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2010
The rectangular function \(\pi(t)\) is defined as \(\pi(t) = 1\) for \(|t| \leq 1/2\) and \(= 0\) for \(|t| > 1/2\). The convolution of \(\pi(t)\) with itself will be
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16
2010 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2010
Match the items in Group I with those in Group II.
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17
2010 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2010
The order of the digital filter is
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18
2010 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2010
The transfer function of the digital filter is
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19
2011 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2011

The frequency of a signal sampled at 200 samples per second appears as 75 Hz. If the signal was undersampled, the frequency (in Hz) of the original signal would be

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20
2011 · Geology & Geophysics · Advanced topics in Geophysics · Geophysical Signal Processing
Geology & Geophysics (GG) 2011

The derivative of the following boxcar function is

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Showing 20 of 69 questions