MCQ
The best evidence for the existence and movement of particles in liquids was provided by $ .......... :$
- AJohn Dalton
- BThomas Edison
- CJ.J. Thomson
- ✓J.J. Thomson
✓
Answer
Correct option: D.
J.J. Thomson
Robert brown observed a weak solution of milk and later pollen grains in suspension with a high $-$ powered microscope, and saw that the particles of milk and the pollen grains showed a violent and random motion. This motion was named as Browninan motion.
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