Back in 1948, the journal Physical Review published a paper entitled “Space-Time Approach to Quantum Electrodynamics” by a young physicist named R.P. Feynman at Cornell University. The paper described ...
This is an online test paper for cbse class 12th Mathematics Vector Algebra. Questions are framed as per the trend of CBSE board and competitive exams. CBSE section of Jagran Josh has come up with ...
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