19 JEE Main 2019 Waves and Sound previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2019 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.
A closed organ pipe has a fundamental frequency of 1.5   kHz . The number of overtones that can be distinctly hea…
A string 2.0 m long and fixed at its ends is driven by a 240 H z vibrator. The string vibrates in its third harmonic mo…
A string of length 1   m and mass 5   g is fixed at both ends. The tension in the string is 8 .0   N . T…
A source of sound   S is moving with a velocity of 50   m   s - 1 towards a stationary observer. The obs…
Two sources of sound S 1 and S 2 produce sound waves of same frequency 660 H z . A listener is moving from source S 1 t…
A wire of length 2 L , is made by joining two wires A and B of same length but different radii r and 2 r and made of th…
A string is clamped at both the ends and it is vibrating in its 4 t h harmonic. The equation of the stationary wave is…
The pressure wave, P = 0.01 sin ⁡ 1000 t - 3 x N   m – 2 , corresponds to the sound produced by a vibr…
Two cars A and B are moving away from each other in opposite directions. Both the cars are moving with speed of 20 …
A progressive wave travelling along the positive x - direction is represented by y x , t = A   s i n ( k x - ω…
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