Quantum Physics - Particle and Wave Model

Particle Model: In this model we imagine particles as objects that are hard, have mass, and move according to Newtonian Mechanics. Exa...

Particle Model:










In this model we imagine particles as objects that are hard, have mass, and move according to Newtonian Mechanics.

Example: A Snooker ball, in a Snooker table we can compare each snooker ball to an individual particle.


Particle model is important because we can apply them to the microscopic world, like:

1. Electricity: Use to define the flow of electrons

2. Gases: Use to define kinetic theory

3. Solid: Use to define crystalline materials

4. Radio Activity: Nuclear model of the atom

5. Chemistry: Atomic Structure


Particles show two characteristics:

1. Reflection

2. Refraction


Wave Model

To get better understanding think of the waves we see in the Ocean. It is a flow of energy. The flow goes up and comes down and gradually decreases in size as it goes far from the source.


Explaining more:

1. Waves are a way in which energy is transferred from one place to another.

2. In a wave, things change in a regular way, while energy flowing happens side by side.

3. If a wave is in up and down motion, energy is transferred horizontally.

It’s is used while defining:

a. Sound - (Pressure/density)

b. Light – (electric/ magnetic field strength)

c. Waves on a string


Characteristics:

1. Refection

2. Refraction

3. Diffraction

4. Interference


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Alevel Note: Quantum Physics - Particle and Wave Model
Quantum Physics - Particle and Wave Model
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Alevel Note
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