Free physics question bank
stationary wave in sound and organ pipe ,resonance tube questions with solutions
Practice Wave Motion for JEE Main, JEE Advanced, NEET, and Classes 11–12. Attempt each question, then open it for the full solution.
Showing 1–10 of 13 questions
- NumericmediumWave Motion
An organ pipe 40 cm long is open at both ends. The speed of sound in air is 360 m s⁻¹. The frequency of the second harmonic is __________ Hz.
JEE Mains8 April 2023Shift 1Morning Shift
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A closed organ pipe in its 9th harmonic resonates with the 4th harmonic of an open organ pipe. The length of the closed pipe is 10 cm. Find the length of the open organ pipe.
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JEE Main 2025 (Online) 22 jan morning Shift
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Two loudspeakers (L₁ and L₂) are placed with a separation of 10 m, as shown in figure. Both speakers are fed with an audio input signal of same frequency with constant volume. A voice recorder, initially at point A, at equidistance to both loud speakers, is moved by 25 m along the line AB while monitoring the audio signal. The measured signal was found to undergo 10 cycles of minima and maxima during the movement. The frequency of the input signal is _____ Hz
(Speed of sound in air is 324 m/s and √5 = 2.23)
JEE Mains 202622 January Morning Shift
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A closed organ pipe 150 cm long gives 7 beats per second with an open organ pipe of length 350 cm, both vibrating in fundamental mode. The velocity of sound is ________ m/s.
JEE Mains 2024 27 Jan Evening Shift
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The fifth harmonic of a closed organ pipe is found to be in unison with the first harmonic of an open pipe. The ratio of lengths of closed pipe to that of the open pipe is 5/x. The value of x is______.
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JEE Mains 202624 January Evening Shift
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For a closed organ pipe, the first three resonance frequencies are in the ratio 1:3:5. If the fifth harmonic is 405 Hz and the speed of sound is 324 m s⁻¹, find the length of the pipe in metres.
JEE Mains12 April 2023Shift 1Morning Shift
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In a resonance experiment, two air columns closed at one end have lengths 100 cm and 120 cm. Their fundamental frequencies produce 15 beats per second. The velocity of sound is:
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JEE Mains 2025 3 April Evening Shift
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In an open organ pipe ν₃ and ν₆ are 3rd and 6th harmonic frequencies, respectively. If ν₆ - ν₃ = 2200 Hz then length of the pipe is ______ mm.
(Take velocity of sound in air is 330 m/s.)
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JEE Mains 202622 January Evening Shift
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The fundamental frequency of a closed organ pipe is equal to the first overtone frequency of an open organ pipe. If length of the open pipe is 60 cm, the length of the closed pipe will be:
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JEE Mains 2024 31 Jan Morning Shift
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A closed organ pipe is filled with water by one-fifth of its original volume. The percentage change in its fundamental frequency is:
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JEE Mains 2025 4 April Morning Shift
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