In transverse waves the particle of the medium vibrate:
Correct answer: B. Perpendicular to the direction of wave motion
- A. Along the direction of the motion
- B. Perpendicular to the direction of wave motion
- C. Opposite to the direction of motion of the wave
- D. Repeat themselves over time
Explanation
Option B is correctIn transverse waves, the particles of the medium vibrate perpendicular to the direction of propagation of the wave. For example, in a water wave, the particles of water move up and down as the wave passes through them. This is in contrast to longitudinal waves, in which the particles of the medium vibrate parallel to the direction of propagation of the wave. For example, in a sound wave, the particles of air move back and forth as the wave passes through them.
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About Waves
Progressive waves transfer energy through oscillations, with wavelength, frequency, amplitude and wave speed related by v = fλ; sound speed depends on the medium. Superposition produces interference and stationary waves in strings and organ pipes, while simple harmonic motion describes the oscillation itself and must be distinguished from wave propagation.
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