Which of the following concepts is not an evidence of the particles nature of matter?

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.