General Science- Alpha Kirne Hai ?

Q.11077: अल्फा किरणें है ?
A
B
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D
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अल्फा किरणें है ? - Is alpha rays? - Alpha Kirne Hai ? General Science in hindi,   He⁺⁺ Ion question answers in hindi pdf  Electron questions in hindi, Know About H⁺ Ion General Science online test General Science notes in hindi quiz book    proton