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see, electromagnetic radiation consists of photons/quanta. My question is, in a single electromagnetic radiation, is the energy of all photons equal or does that differ from each other?
Updated Wed, 24 Oct 2018 05:02 pm


The sum of the first \(n\) terms of the series
\(1^2 + 2 . 2^2 + 3^2 + 2 . 4^2 + 5^2 + 2.6^2 + ... is\)
\(n(n+1)^2 \over 2\), when \(n\) is even. When \(n\) is odd, the sum is
Updated Wed, 24 Oct 2018 05:00 pm