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Who discovered the 'electron'?
‘ইলেকট্রন’ কে আবিষ্কার করেছিলেন?
Practice MCQ for SSC, UPSC, RRB Exams
A. Michael Faraday
A. মাইকেল ফ্যারাডে
B. J. J Thomson
B. জে. জে. থমসন
C. Albert Einstein
C. আলবার্ট আইনস্টাইন
D. J. C. Bose
D. জে. সি. বোস
Correct Answer: B
সঠিক উত্তর: B
Explanation
ব্যাখ্যা
The
electron
was discovered by
J. J. Thomson
in
1897
.
He discovered it while performing experiments with
cathode rays in a vacuum tube
.
Thomson showed that cathode rays consist of
negatively charged particles
, which were later named
electrons
.
This discovery proved that
atoms are divisible and contain smaller subatomic particles
.
Therefore, the correct answer is
Option B
.
ইলেকট্রন
আবিষ্কার করেন
জে. জে. থমসন
1897
সালে।
তিনি এটি আবিষ্কার করেন
ভ্যাকুয়াম টিউব-এ ক্যাথোড রশ্মি নিয়ে পর্যবেক্ষণের সময়
।
থমসন দেখান যে ক্যাথোড রশ্মি প্রকৃতপক্ষে
ঋণাত্মক রাজনীতিক কণা প্রবাহ
, যেগুলোকে পরে
ইলেকট্রন
বলা হয়।
এই আবিষ্কার করে যে
পরমাণু অবিভাজ্য নয় এবং এর ভিতরে ছোট উপপারমাণবিক কণা রয়েছে
।
অতএব সঠিক উত্তর দেওয়া
বিকল্প B
।
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