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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

Year-wise coverage for Geophysical Signal Processing. Each bar uses a separate theme-derived color.

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. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Geology and Geophysics - Geophysics (GG) 202620267View paper
Geology & Geophysics (GG) 2025 [Session 1]20251View paper
Geology & Geophysics (GG) 2025 [Session 2]20251View paper
Geology & Geophysics (GG) 2024 [Session 2]20244View paper
Geology & Geophysics (GG) 2023 [Session 2]20232View paper
Geology & Geophysics (GG) 202220226View paper
Geology & Geophysics (GG) 202120212View paper
Geology & Geophysics (GG) 202020203View paper
Geology & Geophysics (GG) 201920191View paper
Geology & Geophysics (GG) 201820182View paper
Geology & Geophysics (GG) 201720173View paper
Geology & Geophysics (GG) 201620162View paper
Geology & Geophysics (GG) 201420145View paper
Geology & Geophysics (GG) 201320133View paper
Geology & Geophysics (GG) 201220122View paper
Geology & Geophysics (GG) 201120114View paper
Geology & Geophysics (GG) 201020107View paper
Geology & Geophysics (GG) 200920097View paper
Geology & Geophysics (GG) 200820084View paper
Geology & Geophysics (GG) 200720073View paper

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