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Questions and Answers
Which phenomenon is described as the random motion of particles suspended in a medium?
Which phenomenon is described as the random motion of particles suspended in a medium?
- Osmosis
- Diffusion
- Brownian motion (correct)
- Convection
What did Robert Brown first observe while looking through a microscope?
What did Robert Brown first observe while looking through a microscope?
- The behavior of water molecules
- The vibration of gas molecules
- The movement of pollen (correct)
- The rotation of fluid particles
What is the overall motion pattern of particles in a fluid at thermal equilibrium?
What is the overall motion pattern of particles in a fluid at thermal equilibrium?
- Random (correct)
- Linear
- Circular
- Directional
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Study Notes
Brownian Motion
- Random motion of particles suspended in a medium is described as Brownian motion
- Robert Brown first observed the phenomenon in 1827 while looking through a microscope at pollen grains suspended in water
- The overall motion pattern of particles in a fluid at thermal equilibrium is constant, irregular, and zigzag
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