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Brownian motion is related to what?

Answer and explanation

Correct answer: Random motion of particles

The governing concept is the random motion of very small suspended particles caused by continuous collisions with rapidly moving molecules of the surrounding medium. This irregular, zigzag movement is called Brownian motion and provides evidence for the particulate nature and kinetic motion of matter. Therefore option A is correct. The motion is not itself a melting point, chemical formula, or measurement of molecular mass. Its speed can be influenced by factors such as temperature, particle size, and the viscosity of the medium, but its defining feature remains random particle movement. This explains why dust or pollen particles may appear to move unpredictably in a fluid.

Related tags

Brownian MotionRandom MotionParticulate Nature Of MatterNature Of MatterSome Basic Concepts Of ChemistryChemistryClass 11 Mcq

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