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 ...
UPSC NDA Maths Syllabus 2025: Mathematics forms an important part of this exam that requires a strong foundation in various mathematical concepts. The UPSC NDA Maths syllabus is divided into various ...