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Previous year question hub

Noise Pollution - Air and Noise Pollution - Environmental Science & Engineering Previous Year Questions

Practice Noise Pollution - Air and Noise Pollution - Environmental Science & Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

5Papers
5Years
5Questions
1Topics

Noise Pollution 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 4 80%
Medium 1 20%

Question type distribution

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

MCQ 3 60%
Numerical Answer Type (NAT) 2 40%

Subject weightage

Top subjects by unique question coverage.

Environmental Science & Engineering
5 Qs

Most asked topics

Top topics across the included previous year papers.

Air and Noise Pollution
5 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Noise Pollution
5 Qs

Paper coverage

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

Environmental Science & Engineering (ES) 2026
1 Qs
Environmental Science & Engineering (ES) 2025
1 Qs
Environmental Science & Engineering (ES) 2024
1 Qs
Environmental Science & Engineering (ES) 2022
1 Qs
Environmental Science & Engineering (ES) 2021
1 Qs

Included previous year papers

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

Paper nameYearPDFAttempt
Environmental Science & Engineering (ES) 20262026
1 questions in this view		2026
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Environmental Science & Engineering (ES) 20252025
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
Environmental Science & Engineering (ES) 20242024
1 questions in this view		2024
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Environmental Science & Engineering (ES) 20222022
1 questions in this view		2022
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Environmental Science & Engineering (ES) 20212021
1 questions in this view		2021
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download

All Noise Pollution previous year questions

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

1
2024 · Environmental Science & Engineering · Air and Noise Pollution · Noise Pollution
Environmental Science & Engineering (ES) 2024
Two sources of noise, adjacent to each other in a room, have sound pressure levels of 30 and 40 decibel (dB). The combined sound pressure level in the room is __________ dB (rounded off to 2 decimal places).
Use reference sound pressure as 20 µPa.
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2
2025 · Environmental Science & Engineering · Air and Noise Pollution · Noise Pollution
Environmental Science & Engineering (ES) 2025

Consider the following statements (i) Sound pressure changes with distance from the source (ii) Sound power is a property of the source (iii) Sound intensity is sound power per unit volume Choose the correct option from the following

Open complete paper
3
2021 · Environmental Science & Engineering · Air and Noise Pollution · Noise Pollution
Environmental Science & Engineering (ES) 2021
In the context of noise pollution, SPL is the sound pressure level in decibels (dB). The relationship between SPL, the root mean square (rms) sound pressure \(p\), and the reference (hearing threshold) pressure \(p_0\) is expressed as __________.
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4
2022 · Environmental Science & Engineering · Air and Noise Pollution · Noise Pollution
Environmental Science & Engineering (ES) 2022
A relatively calm room has background sound power level (SPL) of 30 decibels (dB). A television and a radio with SPL of 80 dB and 70 dB, respectively, started operating simultaneously in this room. Given the reference sound power is \(10^{-12}\) Watts, what will be the resulting SPL in the room, assuming all the sources operate independently?
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5
2026 · Environmental Science & Engineering · Air and Noise Pollution · Noise Pollution
Environmental Science & Engineering (ES) 2026
The sound level measured at various locations in an urban area is given in the table.
The average sound level for that area is ______ dBA (rounded off to two decimal places).
Open complete paper