A. Diffusion
B. Brownian motion
C. Diffraction
D. Crystallization

Correct Answer:

Option D – Crystallization

Explanation

Diffusion is the net movement of molecules/atoms from a region of high concentration to low concentration.

Brownian motion is the erratic random movement of microscopic particles in a field.

Diffraction is the various phenomena that occur when a wave encounters an obstacle.

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