'परमाणु' शब्द का प्रतिपादन किसने किया था?

This question was previously asked in
RRC Group D Previous Paper 3 (Held On: 19 Sep 2018 Shift 1)
View all RRB Group D Papers >
  1. डेमोक्रिटस
  2. थॉमसन
  3. ई रदरफोर्ड
  4. जॉन डाल्टन

Answer (Detailed Solution Below)

Option 1 : डेमोक्रिटस
Free
RRB Group D Full Test 1
2.7 Lakh Users
100 Questions 100 Marks 90 Mins

Detailed Solution

Download Solution PDF
  • 'परमाणु' शब्द का प्रतिपादन डेमोक्रिटस द्वारा किया गया है।
  • उन्होंने सुझाव दिया कि यदि हम एक निश्चित बिंदु पर पदार्थ को विभाजित करते हैं तो परमाणु अविभाज्य हो जाता है या इसे आगे विभाजित नहीं किया जा सकता है।
  • उन्होंने इन कणों को परमाणु (अविभाज्य) कहा।

वैज्ञानिक

खोज

थॉमसन

इलेक्ट्रॉन

ई रदरफोर्ड

अल्फ़ा और बीटा कणों की खोज की

जॉन डाल्टन

परमाणु सिद्धांत के जनक

Latest RRB Group D Updates

Last updated on Jun 2, 2025

-> The RRB NTPC Admit Card 2025 has been released on 1st June 2025 on the official website.

-> The RRB Group D Exam Date will be soon announce on the official website. Candidates can check it through here about the exam schedule, admit card, shift timings, exam patten and many more.

-> A total of 1,08,22,423 applications have been received for the RRB Group D Exam 2025. 

-> The RRB Group D Recruitment 2025 Notification was released for 32438 vacancies of various level 1 posts like Assistant Pointsman, Track Maintainer (Grade-IV), Assistant, S&T, etc.

-> The minimum educational qualification for RRB Group D Recruitment (Level-1 posts) has been updated to have at least a 10th pass, ITI, or an equivalent qualification, or a National Apprenticeship Certificate (NAC) granted by the NCVT.

-> This is an excellent opportunity for 10th-pass candidates with ITI qualifications as they are eligible for these posts.

-> The selection of the candidates is based on the CBT, Physical Test, and Document Verification.

-> Prepare for the exam with RRB Group D Previous Year Papers.

Get Free Access Now
Hot Links: all teen patti game teen patti star apk teen patti lucky teen patti online game teen patti pro