Who was awarded the Nobel Prize in Physics in 1926,‘for his work on the discontinuous structure of matter’?

Jean Baptiste Perrin

The correct answer is Option (3) → Jean Baptiste Perrin

The Nobel Prize in Physics in 1926 was awarded to Jean Baptiste Perrin. He received the prize "for his work on the discontinuous structure of matter, and especially for his discovery of sedimentation equilibrium". His experiments on Brownian motion provided strong evidence for the existence of atoms.