waves

Related Questions

• A particle on the trough of a wave at any instant will come to the mean position after a time (T = time period)

  ---

• The minimum audible wavelength at room temperature is about

  ---

• Two passenger trains moving with a speed of 108 km/hour cross each other. One of them blows a whistle whose frequency is 750 Hz. If sound speed is 330 m/s, then passengers sitting in the other train, after trains cross each other will hear sound whose frequency will be

  ---

• A man, standing between two cliffs, claps his hands and starts hearing a series of echoes at intervals of one second. If the speed of sound in air is 340 m/s, the distance between the cliffs is

  ---

• At what temperature velocity of sound is double than that of at 0°C

  ---