1. | \(10^{4}~\text{m/s}\) |
2. | \(1~\text{m/s}\) |
3. | \(10^{-4}~\text{m/s}\) |
4. | Not derivable from the above data |
Two organ pipes closed at one end produce \(5\) beats per second in fundamental mode. If the ratio of their lengths is \(10:11\), then their frequencies (in Hz) are:
1. | \(55,50\) | 2. | \(105,100\) |
3. | \(75,70\) | 4. | \(100,95\) |
1. | the pulse is traveling along the negative \(x\text-\)axis. |
2. | the speed of the pulse is \(4\) m/s. |
3. | the amplitude of the pulse is \(5\) m. |
4. | all of these. |
Two wires, \(A\) and \(B,\) of a musical instrument 'Sitar' produce \(3\) beats per second. If the tension of \(B\) is raised, the number of beats becomes \(1\) beat per second. If the frequency of \(A\) is \(450~\text{Hz}\), then the original frequency of \(B\) will be:
1. \(447~\text{Hz}\)
2. \(453~\text{Hz}\)
3. \(449~\text{Hz}\)
4. \(451~\text{Hz}\)
1. | \(l\) | 2. | \(2l\) |
3. | \(3l\) | 4. | \(4l\) |
1. | Wavelength of the component waves is \(10~\text{cm}.\) |
2. | The separation between a node and the nearest antinode is \(2.5~\text{cm}.\) |
3. | Frequency of the component wave is \(0.25~\text{Hz}\). |
4. | All of these |