The JEE Main Physics section requires speed and accuracy, along with a thorough understanding of the Sound Wave. This article provides a set of JEE Main PYQs on Sound Wave to help you understand the topic and improve your problem-solving skills with the help of detailed solutions by ensuring conceptual clarity, which will help you in the JEE Main 2026 preparation.
Whether you're revising the basics or testing your knowledge, these JEE Main PYQs will serve as a valuable practice resource.
The JEE Main 2026 exam is likely to continue on the same pattern as JEE Main 2025. Out of 90 questions, students can expect a fair mix from all three subjects. To get an edge, going through JEE Main previous year questions (PYQs) is one of the best strategies.
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JEE Main PYQs on Sound Wave
1.
In a resonance experiment, two air columns (closed at one end) of 100 cm and 120 cm long, give 15 beats per second when each one is sounding in the respective fundamental modes. The velocity of sound in the air column is :- 335 m/s
- 370 m/s
- 340 m/s
- 360 m/s
2.
At 16°C, two open-end organ pipes, when sounded together produce 34 beats in 2 seconds. How many beats per second will be produced if the temperature rises to 51°C? Neglect the increase in the length of the pipes.- (A) 18
- (B) 15
- (C) 10
- (D) 5
3.
In an experiment with a closed organ pipe, it is filled with water by $\left(\frac{1}{5}\right)$ th of its volume. The frequency of the fundamental note will change by- $25 \%$
- $20 \%$
- $-20 \%$
- $-25 \%$
4.
In sonometer, fundamental frequency changes from 400 Hz to 500 Hz keeping same tension. Find percentage change in length.- 5%
- 10%
- 20%
- 40%
5.
In a sound wave, the displacement of the air particles follows the equation \( y = A \cos(kx - \omega t) \). What is the wave velocity?- \( v = \frac{\omega}{k} \)
- \( v = \frac{k}{\omega} \)
- \( v = \frac{A}{k} \)
- \( v = \frac{\omega}{A} \)
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