Featured Stories
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Concepts of X-Rays and Compton Effect
X-rays are emitted from metal targets when they are bombarded by high-energy electrons. A large fraction of the energy of these electrons heats up the material. Only a fraction of the energy…
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Concept of de Broglie’s Matter Waves
In 1923, French Physicist, Louis Victor de Broglie postulated that all forms of matter have a wave as well as particle properties. He arrived at an expression that related the momentum p…
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Energy Levels of an Atom and Hydrogen Spectra
The planetary model of atomic structure said that the electrons revolve round the nucleus in circular orbits. Classical theory then predicts that the electrons acquire radial acceleration. This causes them a constant loss of…
Editors' Picks
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The Photoelectric Effect
Posted on February 11, 2010 | No CommentsIn the year 1900, German Physicist, Max Planck proposed that energy propagates through space in the form of individual energy packages called the photons. The energy of a photon is... -
Dispersion, Polarization of Light and Electromagnetic Spectrum
Posted on February 10, 2010 | No CommentsDispersion: The variation of refractive index of a medium with the wavelength passing through the medium is called dispersion. Mathematically this phenomenon is represented by Cauchy’s relation. μ = A +... -
Interference in Thin Films
Posted on February 9, 2010 | 5 CommentsGenerally, an interference pattern is produced by two coherent sources derived from a single source, by division of wavelength. An arrangement based on this principle is the Young’s double slit... -
Interference and Diffraction of Light
Posted on February 8, 2010 | No CommentsInterference of Light: The phenomenon of interference dependent on the principle of superposition of waves. This principle states that when two or more waves travelling in the same direction and...
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Wave Motion and Optics
Principles of Reflection, Refraction and the Concept of Total Internal Reflection
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Philosophy of Physics
General Approach to Solving Problems in Physics
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Philosophy of Physics
Elements of a Scientific Experiment
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Philosophy of Physics
Elements of a Scientific Theory
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Philosophy of Physics
Models, Their Types and Role in Physics
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Wave Motion and Optics
Vibrations in Strings, Air Columns and Doppler’s Effect
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Wave Motion and Optics
Concept of Wave Motion
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Electricity and Magnetism
Motion of a Charged Particle in a Uniform Magnetic Field
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Electricity and Magnetism
Force Acting on a Current Carrying Conductor in a Uniform Magnetic Field
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Electricity and Magnetism
Concept of Electromagnetic Induction
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