354732 A stationary observer recevies a sound from a source of frequency \(f_{0}\) moving with a constant velocity \({v_s} = 30\;m/s\). The apparent frequency varies with time as shown in the figure. Velocity of sound \(v = 303\;m/s\). Then which of the following is incorrect?

354733 When a source of sound is in motion towards a stationary observer the effect observed is

354734 When the observer moves towards the stationary source with velocity, \(v_{1}\) the apparent frequency of emitted note is \(f_{1}\). When the observer moves away from the source with velocity \(v_{1}\), the apparent frequency is \(f_{2}\). If \(\mathrm{v}\) is the velocity of sound in air and \(\dfrac{f_{1}}{f_{2}}=2\) and \(\dfrac{v}{v_{1}}=\) ?

354735 A train is moving at \(30\;m{s^{ - 1}}\) in still air. The frequency of the locomotive whistle is \(500\;Hz\) and the speed of sound is \(345\;m{s^{ - 1}}.\) The apparent wavelength of sound in front of and behind the locomotive are respectively

354732 A stationary observer recevies a sound from a source of frequency \(f_{0}\) moving with a constant velocity \({v_s} = 30\;m/s\). The apparent frequency varies with time as shown in the figure. Velocity of sound \(v = 303\;m/s\). Then which of the following is incorrect?

354733 When a source of sound is in motion towards a stationary observer the effect observed is

354734 When the observer moves towards the stationary source with velocity, \(v_{1}\) the apparent frequency of emitted note is \(f_{1}\). When the observer moves away from the source with velocity \(v_{1}\), the apparent frequency is \(f_{2}\). If \(\mathrm{v}\) is the velocity of sound in air and \(\dfrac{f_{1}}{f_{2}}=2\) and \(\dfrac{v}{v_{1}}=\) ?

354735 A train is moving at \(30\;m{s^{ - 1}}\) in still air. The frequency of the locomotive whistle is \(500\;Hz\) and the speed of sound is \(345\;m{s^{ - 1}}.\) The apparent wavelength of sound in front of and behind the locomotive are respectively

354732 A stationary observer recevies a sound from a source of frequency \(f_{0}\) moving with a constant velocity \({v_s} = 30\;m/s\). The apparent frequency varies with time as shown in the figure. Velocity of sound \(v = 303\;m/s\). Then which of the following is incorrect?

354733 When a source of sound is in motion towards a stationary observer the effect observed is

354734 When the observer moves towards the stationary source with velocity, \(v_{1}\) the apparent frequency of emitted note is \(f_{1}\). When the observer moves away from the source with velocity \(v_{1}\), the apparent frequency is \(f_{2}\). If \(\mathrm{v}\) is the velocity of sound in air and \(\dfrac{f_{1}}{f_{2}}=2\) and \(\dfrac{v}{v_{1}}=\) ?

354735 A train is moving at \(30\;m{s^{ - 1}}\) in still air. The frequency of the locomotive whistle is \(500\;Hz\) and the speed of sound is \(345\;m{s^{ - 1}}.\) The apparent wavelength of sound in front of and behind the locomotive are respectively

354732 A stationary observer recevies a sound from a source of frequency \(f_{0}\) moving with a constant velocity \({v_s} = 30\;m/s\). The apparent frequency varies with time as shown in the figure. Velocity of sound \(v = 303\;m/s\). Then which of the following is incorrect?

354733 When a source of sound is in motion towards a stationary observer the effect observed is

354734 When the observer moves towards the stationary source with velocity, \(v_{1}\) the apparent frequency of emitted note is \(f_{1}\). When the observer moves away from the source with velocity \(v_{1}\), the apparent frequency is \(f_{2}\). If \(\mathrm{v}\) is the velocity of sound in air and \(\dfrac{f_{1}}{f_{2}}=2\) and \(\dfrac{v}{v_{1}}=\) ?

354735 A train is moving at \(30\;m{s^{ - 1}}\) in still air. The frequency of the locomotive whistle is \(500\;Hz\) and the speed of sound is \(345\;m{s^{ - 1}}.\) The apparent wavelength of sound in front of and behind the locomotive are respectively