Brownian motion is the movement of the particles in a liquid or gas in a continuous and haphazard way. This motion is also called paresis, derived from a Greek word for “leaping”. Brownian motion was named after Robert Brown who observed that the pollen grains move in water in an irregular manner. Albert Einstein hypothesized in 1905 that when the particles are in the liquid they tend to move erratically because they are struck by the moving molecules. He also noted that as with the increase in heat the suspended particles move in a faster way because heat enhances the motion of molecules.
The movement of molecules and atoms in a liquid or gaseous state is random and with time the larger particles disperse evenly in the medium. Diffusion is the movement of particles from a higher concentration region to a lower concentration region. Brownian movement gets affected by the factors that affect the particles movement. The factors are increased temperature, small particle size, increased particle number, and low viscosity. If you want to know more about Brownian motion or complete an assignment on it impeccably contact Brownian Motion in Terms of Random Molecular Bombardment assignment help of BookMyEssay. They are providing top-class writers on this subject to help you gain more knowledge.
Examples of Brownian Motion
The examples of Brownian Movement include the following:
- Movement of pollen grains on water
- Diffusion of pollutants in the air
- Diffusion of calcium in the bones
- Movement of the dust particles in a room.
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Structure of liquids and gases
Before understanding the Brownian Motion, it is crucial to know the structure of liquids and gases now the movement of the molecules in liquids and gases take place. Gases are dilute, which means that their molecules are apart. These molecules move in a straight line till they hit another molecule, then again move in a different direction until it hits another molecule. Liquids as less dilute compared to the gases. They are more concentrated and they do not occupy the entire container. Their movement is similar to the molecules of gases. They move in straight lines till they collide with another molecule. The liquid molecules are more closed and condensed, therefore, they do not travel much far before they collide and change their direction.
Importance
The primary importance of the definition of the Brownian motion was that it was used in the modern atomic theory. These days this motion is used in economics, math, physics, engineering, chemistry, biology, and other disciplines.
How to distinguish between Brownian motion and other motions?
It is difficult to differentiate between the Brownian motion and the motions because of other effects. In biology, it requires observation to say whether the specimen is moving due to its capability to move on its own or due to Brownian motion. Brownian Motion is random, jerky, and like a vibration whereas,in true mobility, the motion is twisted or moves in a specific direction. Know more about these differences and write your assignments on Brownian motion more aptly with the help of BookMyEssay’s Brownian Motion in Terms of Random Molecular Bombardment Assignment Help.