कौन इलेक्ट्रॉन का पहचान कि – McqOptions

MCQOPTIONS

1.	कौन इलेक्ट्रॉन का पहचान किया?
A.	डी रदरफोर्ड
B.	जे केपलर
C.	जे जे थॉम्पसन
D.	जेम्स चाडविक
Answer» D. जेम्स चाडविक

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