The fundamental frequency of a string is proportional to:
1. | the inverse of its length | 2. | the diameter |
3. | the tension | 4. | the density |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA tuning fork of frequency 480 Hz is used to vibrate a sonometer wire having natural frequency 240 Hz. The wire will vibrate with a frequency of
1. 240 Hz
2. 480 Hz
3. 720 Hz
4. will not vibrate
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA tuning fork of frequency \(480\) Hz is used to vibrate a sonometer wire having natural frequency \(410\) Hz. The wire will vibrate with a frequency:
1. | \(410\) Hz | 2. | \(480\) Hz |
3. | \(820\) Hz | 4. | \(960\) Hz |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA sonometer wire of length l vibrates in fundamental mode when excited by a tuning fork of frequency 416 Hz. If the length is doubled keeping other things same, the string will
1. vibrate with a frequency of 416 Hz
2. vibrate with a frequency of 208 Hz
3. vibrate with a frequency of 832 Hz
4. stop vibrating
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA sonometer wire supports a 4 kg load and vibrates in fundamental mode with a tuning fork of frequency 416 Hz. The length of the wire between the bridges is now doubled. In order to maintain fundamental mode, the load should be changed to
1. 1 kg
2. 2 kg
3. 8 kg
4. 16 kg
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA standing wave is produced on a string clamped at one end and free at the other. The length of the string:
1. | must be an integral multiple of \(\frac{\lambda}{4}\) |
2. | must be an integral multiple of \(\frac{\lambda}{2}\) |
3. | must be an integral multiple of \(\lambda\) |
4. | may be an integral multiple of \(\frac{\lambda}{2}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn a stationary wave,
(a) all the particles of the medium vibrate in phase
(b) all the antinodes vibrate in phase
(c) the alternate antinodes vibrate in phase
(d) all the particles between consecutive nodes vibrate in phase
Choose the correct option:
1. (a) and (b)
2. (b) and (c)
3. (c) and (d)
4. all of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn open organ pipe of length \(L\) vibrates in its fundamental mode. The pressure variation is maximum:
1. | at the two ends |
2. | at the middle of the pipe |
3. | at a distance \(\dfrac{L}{4}\) inside the ends |
4. | at a distance \(\dfrac{L}{8}\) inside the ends |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn organ pipe, open at both ends, contains
1. longitudinal stationary waves
2. longitudinal travelling waves
3. transverse stationary waves
4. transverse travelling waves
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA cylindrical tube, open at both ends, has a fundamental frequency v. The tube is dipped vertically in water so that half of its length is inside the water. The new fundamental frequency is
1. v/4
2. v/2
3. v
4. 2v
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology