1. | \(0.5~\text{s}\) | 2. | \(0.6~\text{s}\) |
3. | \(0.4~\text{s}\) | 4. | \(0.1~\text{s}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA steel wire has a length of \(12.0\) m and a mass of \(2.10\) kg. What should be the tension in the wire so that the speed of a transverse wave on the wire equals the speed of sound in dry air, at \(20^{\circ}\text{C}\) (which is \(343\) m/s)?
1. \(4.3\times10^3\) N
2. \(3.2\times10^4\) N
3. \(2.06\times10^4\) N
4. \(1.2\times10^4\) N
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA wire stretched between two rigid supports vibrates in its fundamental mode with a frequency of 45 Hz. The mass of the wire is kg and its linear mass density is kg/m. What is the speed of the transverse wave on the string?
1. 74.31 m/s
2. 75.70 m/s
3. 78.75 m/s
4. 72 m/s
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA traveling harmonic wave on a string is described by \(y(x,t) = 7.5 ~\mathrm{sin}(0.0050x+12t+\frac{\pi}{4})\). What is the displacement of oscillation of a point at \(x=1 ~\text{cm}\) and \(t=1~\text{s}\)? (\(\sin(12.79)=0.22\))
1. \(1.66~\text{cm}\)
2. \(1.54~\text{cm}\)
3. \(1.39~\text{cm}\)
4. \(1.29~\text{cm}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology