प्रोट्रोन की खोज किसने की � – McqOptions

MCQOPTIONS

1.	प्रोट्रोन की खोज किसने की है ?
A.	रदरफोर्ड
B.	चैडविक
C.	थॉमसन
D.	फैराडे
Answer» B. चैडविक

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