Refraction of Sound

Here is something interesting about refraction. Our school level physics book associates refraction phenomena only with light but not with sound. But the reality is that sound waves also bend. When waves hit a denser medium the speed slows down…

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SIR J J THOMSON – The Discoverer of Electron

Everything in the universe is made up of atoms. Atoms are composed of Protons, Electrons and Neutrons. Protons are positively charged, Electrons are negatively charged and neutrons are electrically neutral. Electrons were first discovered by J J Thomson. He took…

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GEORGE POLYA- The Father of problem Solving-Alyss

GEORGE POLYA – The Father of problem Solving

How do we solve any mathematical problem? We first understand the problem, analyse it and then plan to solve it and recheck for any errors. This method of solving problem was first suggested by a great mathematician named George Polya….

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We all notice the word “pasteurized” on the milk packets or containers that we buy. Pasteurized milk is the milk that is free of germs. The technique that is used to kill bacteria in liquid food is called Pasteurization. The…

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