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The plum pudding ( first model )of the atom was proposed by JJ Thomson. Which of the following is/are the limitations of the Thomson model (i) The model wasn't able to explain the alpha scattering (ii) The model failed to explain the position of nuclei  (iii) The model failed to explain how the positive charges hold the negative charges (iv)The model failed to explain the existence of electrons in an atom 
Match List-I with List-II            List-I                List-II A. Thomson model i. Dual nature of electron B. Rutherford model ii. Atomic theory C. Bohr’s model iii. Plum pudding model D. De-Broglie theory iv. Concept of quantization of energy
Two statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statement Statements : No tree is a plum. All pomegranates are trees. Conclusions : I. No pomegranate is a plum. II. No plum is a tree. III. Some trees are pomegranates.
Who proposed the plum pudding model of atom?
Who proposed the plum pudding model of the atom?
Plum Pudding Model for an atom was proposed by
Physicist J.J. Thomson''s atomic model, sometimes called the plum-pudding model, describes the atom as taking which configuration?
Study the following information carefully and answer the question given below. The following criteria have been introduced for the appointment of a scientist in a research organization. Candidates: 1) Must be a postgraduate in Mathematics/Physics/Chemistry subject with a minimum of 65% marks 2) Age should not be less than 26 years and not more than 35 years as on 01-01-2018 3) Must have a post-doctoral degree with more than 50% marks 4) Should have a minimum of 3 years of experience in the above fields 5) Should be prepared to be under probation for one year If the candidate satisfies all the criteria other than (3), he may be designated as Project Scientist. If the candidate satisfies all the above criteria other than (3) and (4) he may be referred for the post of Junior Scientist. If the candidate fulfills all the above criteria with 7 years of experience in the relevant fields, he/she can be designated as a Senior Scientist. If the candidate fulfills all the above criteria with 12 years of experience in the relevant field, he/she can be designated as Principal Scientist. Varun's age is 27 years as of 1/1/18, he obtained his bachelor's and master's degree in chemistry with 72% and 76% marks respectively. He also had 4 years of experience in the relevant field and was ready to be under probation for one year of the job. to what position he may be assigned
Which statement are correct- (A)The plum pudding model was given by Niels Burr. (B)The atomic theory of matter was given by J.J. Thomson. (C)Rutherford is considered the father of modern chemistry. (D)Electron's anti-particle is beta-particle.  
Which of the following Scientists gave the Plum Pudding Model of an Atom?