11 JEE Main 2025 Waves and Sound previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2025 previous-year questions from the Waves and Sound chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Waves and Sound chapter hub.
In the resonance experiment, two air columns (closed at one end) of 100 cm and 120 cm long, give 15 beats per second wh…
The equation of a wave travelling on a string is y= [20 π x+10 π t], where x and t are distance and time in SI units. T…
A sinusoidal wave of wavelength 7.5 cm travels a distance of 1.2 cm along the x -direction in 0.3 sec. The crest P is a…
Two harmonic waves moving in the same direction superimpose to form a wave x=a (1.5 t) (50.5 t) where t is in seconds.…
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: A sou…
In an experiment with a closed organ pipe, it is filled with water by ((1)/(5) ) th of its volume. The frequency of the…
Consider the sound wave travelling in ideal gases of He, CH₄, and CO₂. All the gases have the same ratio (P)/(ρ), where…
Displacement of a wave is expressed as x(t)=5 (628 t+(π)/(2) ) m. The wavelength of the wave when its velocity is 300 ~…
Two strings with circular cross section and made of same material, are stretched to have same amount of tension. A tran…
The equation of a transverse wave travelling along a string is y(x, t)=4.0 [20 × 10⁻³ x+600 t ] mm, where x is in mm an…
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