CE: Phy Wave

Q: How to generate a stationary wave?
A stationary wave is formed when a travelling wave is superimposed by its reflected wave, which has a phase difference of half wavelength.
Q: Particles on the stationary wave, are they all in stationary motion? If not, how to determine their motion?
Of coure not. If all particles are stationary, there will not be a wave. Stationary wave is one that DOES NOT TRAVEL forward. It is the wave that is stationary, not the particles.

Q: Are all the particles on the stationary wave vibrate in the same frequency? Do they all have the same amplitude?
Particles are vibrating with the same frequency, but not the same amplitude. Points on the wave where particles vibrate with the largest amplitude are called antinodes, whereas points on the wave where particles are always motionless are called nodes.