16:I[8216,["972","static/chunks/972-b28da0de92681928.js","47","static/chunks/47-a7f06e9eda1ac756.js","115","static/chunks/app/%5Bexam%5D/questions/%5Byear%5D/%5Bsubject%5D/%5Bchapter%5D/%5BquestionId%5D/page-7b6f0a12b9cc0206.js"],"BackButton"] 17:I[1553,["972","static/chunks/972-b28da0de92681928.js","47","static/chunks/47-a7f06e9eda1ac756.js","115","static/chunks/app/%5Bexam%5D/questions/%5Byear%5D/%5Bsubject%5D/%5Bchapter%5D/%5BquestionId%5D/page-7b6f0a12b9cc0206.js"],"QuestionViewer"] 15:T527,{"@context":"https://schema.org","@type":"Quiz","name":"Mht Cet 2026 Waves PYQ with Solution","url":"https://pyq-test-series-platform-alsjdcxu2-sameers-projects-41c5a71e.vercel.app/mht-cet/questions/2026/physics/waves/jt-mr4oabcy","educationalLevel":"Entrance exam preparation","about":"Mht Cet / Physics / Waves","hasPart":{"@type":"Question","name":"Mht Cet 2026 Waves PYQ with Solution","text":"An air column in a pipe which is closed at one end will be in resonance with a vibrating tuning fork of frequency 415 Hz for various vibrating air columns. Which one of the following lengths is not in resonance ? (velocity of sound in air = 332 m/s) (Neglect end correction)","eduQuestionType":"mcq","acceptedAnswer":{"@type":"Answer","text":"B"},"comment":{"@type":"Comment","text":"For a pipe closed at one end, resonance occurs only at odd multiples of \\dfrac{\\lambda}{4}. First find the wavelength of the sound wave: v = f\\lambda So, \\lambda = \\frac{v}{f} Given, v = 332\\ \\text{m/s}, \\quad f = 415\\ \\text{Hz} \\lambda = \\frac{332}{415} = 0.8\\ \\text{m} \\lambda = 80\\ \\text{cm} For a closed pipe, resonant lengths are: L = \\frac{\\lambda}{4}, \\frac{3\\lambda}{4}, \\frac{5\\lambda}{4}, \\frac{7\\lambda}{4}, \\dots So, \\frac{\\lambda}{4} = \\frac{80}{4} = 20\\ \\text{cm} The possible resonant..."}}}18:T418,

For a pipe closed at one end, resonance occurs only at odd multiples of $\dfrac{\lambda}{4}$.

First find the wavelength of the sound wave:

$$ v = f\lambda $$

So,

$$ \lambda = \frac{v}{f} $$<

Waves

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