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Physics for IGCSE & O level - Thermal Effects (Section 1 - No. 49)

What is Brownian motion?
The motion of particles in a liquid
The motion of a liquid itself
The motion of all the particles in a substance
The random movement of particles suspended in a fluid.

स्पष्टीकरण

Brownian motion refers to the random movement of small particles in a fluid.

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