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Dileep Vishwakarma

2 years ago

सर जे. जे. थॉमसन (Sir Joseph John Thomson) ने सर्वप्रथम इलेक्ट्रॉन (Electron) की खोज सन् 1897 में किया था.

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Anamika Shakya

2 years ago

(a) j.j.thomsam

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Roopa Varshney

2 years ago

a

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Sumit Mishra

2 years ago

j j Thomson

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Manoj Kumar

2 years ago

a

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Menka Yadav

2 years ago

the answer is option 1

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Zeenat

2 years ago

option (a) sapse pahle 1897 mein Joseph John Thomas ne electron ki khoj ki thi

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Anshu Shrivastava

2 years ago

a

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Umesh Rajput

2 years ago

j.j Thomson

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Anshu Shrivastava

2 years ago

जे जे थामसन

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2 years ago

jj thamsan

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