Question

justify your statement that movement of particles is directional..​

Answer 1

Answer:

Brownian motion is the random movement of solid particles in a fluid due to their collisions with other atoms or molecules.

Answer 2

Answer ---

Brownian motion is the random movement of solid particles in a fluid due to their collisions with other atoms or molecules. Brownian motion is also known as pedesis, which comes from the Greek word for "leaping." Even though a particle may be large compared to the size of atoms and molecules in the surrounding medium, it can be moved by the impact with many tiny, fast-moving masses.

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Hence, the given statement is true.