एेल्फा- एंव बीटा -किरणो की ख – McqOptions

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1.	एेल्फा- एंव बीटा -किरणो की खोज किसने की ?
A.	माका॓॔नी
B.	अन॔॓स्ट रदरफोड॔
C.	नील बोर
D.	न्यूटन
Answer» C. नील बोर

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