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short tricks for gk in hindi and english

Gk short trick used in all exam ssc and other exam Short tricks for gk in hindi and english The  first subatomic particle to be discovered in 1897 by J. J. Thomson. 1. Atomic particle discovered by whom : short trick परमाणुकण कीकिसकेद्वाराखोजहुई ? PEN=RTC Proton = Rutherford Electron = thomsan Newtron =Chadwick Babur  born