How violet in always in the bottom and the rainbow is in arc shape? pls explain in simple way.
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We learned electric current is the flow of electrons, then why we say that current is flowing from + to – terminal of the battery ?
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What exactly happening inside the magnetic materials, which make the pole hate the same pole .
It’s always been a confusion on the real difference between the two. Please explain it in simple terms… thanks you.
We have been hearing the story of apple fell on Newton’s head and this lead to the invention of law of gravity, is this story real ??