Sound
35 NDA Physics previous year questions (PYQs) from 18 papers, 2017 to 2026, with answers and worked solutions.
About this chapter
- Difficulty: 26 easy · 8 moderate · 1 hard.
- Most-asked subtopics: Wave Equation, Speed, and Frequency Bands (14), Foundations — Sound, Perception, and the Ear (11), Sound Behaviours — Reflection, Echo, Reverberation, Beats (5).
- Updated 14 September 2026.
#1Foundations — Sound, Perception, and the Ear
#2Foundations — Sound, Perception, and the Ear
#3Foundations — Sound, Perception, and the Ear
Directions : The following six (6) items consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the correct answer using the code given below. Code: (a) Both the statements are individually true and Statement II is the correct explanation of Statement I (b) Both the statements are individually true but Statement II is not the correct explanation of Statement I (c) Statement I is true but Statement II is false (d) Statement I is false but Statement II is true#4Foundations — Sound, Perception, and the Ear
Directions : The following six (6) items consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the correct answer using the code given below. Code: (a) Both the statements are individually true and Statement II is the correct explanation of Statement I (b) Both the statements are individually true but Statement II is not the correct explanation of Statement I (c) Statement I is true but Statement II is false (d) Statement I is false but Statement II is true#5Foundations — Sound, Perception, and the Ear
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#6Foundations — Sound, Perception, and the Ear
#7Foundations — Sound, Perception, and the Ear
- NDA · Sep 2022 · Q98Moderate
#8Foundations — Sound, Perception, and the Ear
- NDA · Sep 2022 · Q147Moderate
#9Foundations — Sound, Perception, and the Ear
#10Foundations — Sound, Perception, and the Ear
#11Foundations — Sound, Perception, and the Ear
- NDA · Sep 2026 · Q74Moderate
#12Wave Equation, Speed, and Frequency Bands
#13Wave Equation, Speed, and Frequency Bands
#14Wave Equation, Speed, and Frequency Bands
#15Wave Equation, Speed, and Frequency Bands
#16Wave Equation, Speed, and Frequency Bands
- NDA · Apr 2019 · Q106Moderate
#17Wave Equation, Speed, and Frequency Bands
#18Wave Equation, Speed, and Frequency Bands
#19Wave Equation, Speed, and Frequency Bands
#20Wave Equation, Speed, and Frequency Bands
- NDA · Apr 2022 · Q83Moderate
#21Wave Equation, Speed, and Frequency Bands
- NDA · Sep 2022 · Q146Moderate
#22Wave Equation, Speed, and Frequency Bands
#23Wave Equation, Speed, and Frequency Bands
- NDA · Apr 2026 · Q62Moderate
#24Wave Equation, Speed, and Frequency Bands
#25Wave Equation, Speed, and Frequency Bands
- NDA · Sep 2017 · Q130Moderate
#26Sound Behaviours — Reflection, Echo, Reverberation, Beats
#27Sound Behaviours — Reflection, Echo, Reverberation, Beats
#28Sound Behaviours — Reflection, Echo, Reverberation, Beats
#29Sound Behaviours — Reflection, Echo, Reverberation, Beats
#30Sound Behaviours — Reflection, Echo, Reverberation, Beats
#31Applications — SONAR, Transducers, Instruments
#32Applications — SONAR, Transducers, Instruments
#33Applications — SONAR, Transducers, Instruments
#34Applications — SONAR, Transducers, Instruments
#35Applications — SONAR, Transducers, Instruments