In a transverse wave, the particles of the medium vibrate
Correct answer: B. perpendicular to the direction of propagation
- A. along the direction of propagation
- B. perpendicular to the direction of propagation
- C. in circles of increasing radius
- D. not at all
Explanation
Light, waves on a string and ripples on water are transverse, with the displacement at right angles to the direction the energy travels. In a longitudinal wave such as sound the vibration is along the direction of travel, producing compressions and rarefactions. Only transverse waves can be polarised, which is the standard experimental test of which type a wave is.
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About Progressive Waves
Progressive waves transfer energy through a medium or space while particles oscillate about their equilibrium positions. The work includes amplitude, wavelength, frequency, period, phase difference, wave speed and the progressive wave equation, while distinguishing travelling waves from stationary waves, where the pattern has fixed nodes and antinodes.
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