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structure of atom

Structure of atom

Edwin was observing a yellow candle flame, his partner Harry claims that the light from the flame originates from excited sodium atoms in the flame. Edwin disagrees with Harry. According to Edwin because the flame is hot radiation, it must be thermal in origin. Who’s point is correct and why?

magnetism and matter

Magnetism and Matter

Magnetism and Matter Peter is doing some experiment on a bar magnet. He heated the bar magnet to 1000 degree centigrade and then cooled in a magnetic field-free space. He is surprised to see the behavior of bar magnet. Can You guess?    

Integration formulas

Integration Formulas

Integration Formulas In mathematics, science, and engineering an integral is a useful tool that can describe displacement, area, volume, and other properties that arise by combining infinitesimal data. Integration is the 2nd most important operation in calculus, with its inverse, differentiation, being the first.   Differentiation Formulas

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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