raman spectroscopy

Raman Spectroscopy

Raman spectroscopy is a light scattering technique, and can be thought of in its simplest form as a process where a photon of light interacts with a sample to produce scattered radiation of different wavelengths.   Fluoresence spectroscopy Laser and spectroscopy Experiments on wave and laser optics

domain of physics

The Domain of Physics

The classical Theories are phenomenological theories. A phenomenological theory attempts to describe and summarize experimental facts within some limited domain of physics. It is not intended to describe everything in physics, but if it is a good phenomenological theory. It does not describe everything within the limited domain very accurately. The philosophically minded reader may …

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Is electron really elementary ?

Question: How can we assert if electron is really elementary ? Might not What is regarded as elementary today be found to be composite tomorrow ? After all, the atoms were the elementary particle of the nineteenth century, could not history repeat itself? Answer: There are many experimental facts which strongly suggest that history will not repeat …

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