Quantum Theory Of Light

Sub-Topics Blackbody Radiation Failure Of Classical Theory Planck’s Hypothesis Compton Shift Bohr’s Model Of The Atom Exciting The Atom Boltzmann Distribution Function Laser and Population Inversion  Helium-Neon Laser   Additional Readings: History of the atom Another View Of Spontaneous Emission All About Lasers   Back To H3 Physics

Electric Current (SS)

The electric charges in motion is called electric current and it forms the basis of current electricity. Static electricity, or electrostatics, on the other hand involves charges at rest. Electric current (I) is the rate of flow of charges (Q). SI unit: Ampere (A) Can be measured by an ammeter (must be connected in SERIES to the circuit) $$I = …

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Current Electricity

This topic covers “Current Electricity” of O Level Physics. (Equivalent to American high school diploma) If this is too basic for you, you can try the more advanced version here. Sub-Topics: Electric Current Electromotive Force Sources In Series Potential Difference Resistance Resistivity Effective resistance of resistors I/V Characteristics Graphs Quiz: Quiz For Static Electricity, Current Electricity, D.C. Circuits and Practical Electric …

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Simple Model Of The Atom

Simple Model Of The Atom Every atom has a central, positively charged nucleus that is very small but massive The nucleus is made up of positive protons and neutral neutrons Electrons revolve around the nucleus in allowed orbits A vast amount of empty space within an atom Electron Mass: 9.1094 x 10-31 kg Charge: -1.602 x 10-19 C Nucleus diameter: …

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The ɑ-particle Scattering Experiment

J.J. Thomson proposed a model of the atom – Plum-pudding model of the atom Characteristic of plum-pudding model of the atom Positive charge of the atom is spread out through the entire volume of the atom Electrons are distributed throughout this volume Electrons vibrate about their equilibrium positions within the sphere of charge The ɑ-particle scattering experiment Using a beam …

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Nuclear Physics

This topic covers “Nuclear Physics” of A Level Physics. (Equivalent to Advanced Placement) If this is too advanced for you, you can try the more basic version here. Sub-Topics: The ɑ-particle Scattering Experiment Simple Model of The Atom Atomic Mass Mass-energy Relation The Mass Defect  Binding Energy Binding Energy Per Nucleon And Nuclear Stability Nuclear Reactions Nuclear Fission Nuclear Fusion Radioactive …

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Non-Newtonian Fluids – Walking on water

  Brief Explanation A non-newtonian fluid is a type of fluid whose viscosity changes based on the amount of stress applied on the fluid. When the contestants in the video step on the fluid, the stress of the sudden incoming step results in the molecules of the fluid to rearrange themselves into a molecular structure similar to a solid. In …

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