Assertion A: | A glass tube partially filled with water represents an open organ pipe. |
Reason R: | The open end corresponds to an antinode and the end in contact with water, to a node. |
1. | Both A and R are True and R is the correct explanation of A. |
2. | Both A and R are True and R is NOT the correct explanation of A. |
3. | A is True but R is False. |
4. | A is False but R is True. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | \(3:1\) | 2. | \(1:2\) |
3. | \(2:1\) | 4. | \(1:3\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | \(8:9\) | 2. | \(9:7\) |
3. | \(9:8\) | 4. | \(7:9\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA string of length \(l\) is fixed at both ends and is vibrating in second harmonic. The amplitude at antinode is \(2\) mm. The amplitude of a particle at a distance \(l/8\) from the fixed end is:
1. \(2\sqrt2~\text{mm}\)
2. \(4~\text{mm}\)
3. \(\sqrt2~\text{mm}\)
4. \(2\sqrt3~\text{mm}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | \(420\) Hz | 2. | \(440\) Hz |
3. | \(484\) Hz | 4. | \(512\) Hz |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn a guitar, two strings \(A\) and \(B\) made of same material are slightly out of tune and produce beats of frequency \(6~\text{Hz}\). When tension in \(B\) is slightly decreased, the beat frequency increases to \(7~\text{Hz}\). If the frequency of \(A\) is \(530~\text{Hz}\), the original frequency of \(B\) will be:
1. | \(524~\text{Hz}\) | 2. | \(536~\text{Hz}\) |
3. | \(537~\text{Hz}\) | 4. | \(523~\text{Hz}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe length of the string of a musical instrument is \(90\) cm and has a fundamental frequency of \(120\) Hz. Where should it be pressed to produce a fundamental frequency of \(180\) Hz?
1. | \(75\) cm | 2. | \(60\) cm |
3. | \(45\) cm | 4. | \(80\) cm |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA tuning fork with a frequency of \(800\) Hz produces resonance in a resonance column tube with the upper end open and the lower end closed by the water surface. Successive resonances are observed at lengths of \(9.75\) cm, \(31.25\) cm, and \(52.75\) cm. The speed of the sound in the air is:
1. | \(500\) m/s | 2. | \(156\) m/s |
3. | \(344\) m/s | 4. | \(172\) m/s |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology